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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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      <p bold="true">PRIMER 4.7</p>
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        <e type="operand">0.05</e>
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        <e type="operand">0</e>
        <e type="operand">7</e>
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        <e type="bracket">(</e>
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        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
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      <p bold="true">SOLUTION - do not know how to get it??? </p>
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        <e type="operand">F1</e>
        <e type="operand">F2</e>
        <e type="operator" args="2">+</e>
        <e type="operand">F3</e>
        <e type="operator" args="2">-</e>
        <e type="operand">Δν</e>
        <e type="operand">ε</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">sastav3</e>
        <e type="operand">x3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0.1235</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="4">stack</e>
        <e type="operator" args="2">:</e>
        <e type="operand">f</e>
        <e type="operand">kbilans</e>
        <e type="operand">ubilans</e>
        <e type="operand">sastav3</e>
        <e type="function" preserve="true" args="3">stack</e>
        <e type="operator" args="2">:</e>
        <e type="operand">f</e>
        <e type="operand">9</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="11">line</e>
        <e type="operator" args="2">:</e>
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    </math>
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  <region id="25" left="486" top="1053" width="136" height="224" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="15">
      <input>
        <e type="operand">X0</e>
        <e type="function" args="1">f1</e>
      </input>
      <result action="numeric">
        <e type="operand">9.4</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.05</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.05</e>
        <e type="operand">1.4</e>
        <e type="operand">7.95</e>
        <e type="operand">0.5</e>
        <e type="operand">0.6</e>
        <e type="operand">1.05</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0.1235</e>
        <e type="operator" args="1">-</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
      </result>
    </math>
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    <math decimalPlaces="15">
      <input>
        <e type="operand">res</e>
        <e type="operand">0.7</e>
        <e type="operand">0.05</e>
        <e type="operand">0.15</e>
        <e type="operand">11.98047</e>
        <e type="operand">12.95547</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0.06491</e>
        <e type="operand">0.73441</e>
        <e type="operand">0.07719</e>
        <e type="operand">0.1235</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
        <e type="operator" args="2">:</e>
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    </math>
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    <math decimalPlaces="15">
      <input>
        <e type="operand">res</e>
        <e type="function" args="1">f1</e>
      </input>
      <result action="numeric">
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">4.08577</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">5.54227</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3.27293</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">5.45</e>
        <e type="operand">10</e>
        <e type="operand">7</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
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    <math optimize="0" decimalPlaces="15">
      <input>
        <e type="operand">X</e>
        <e type="function" args="1">f2</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">ε</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">F2</e>
        <e type="operand">X</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">F3</e>
        <e type="operand">X</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">6</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">x3</e>
        <e type="operand">i</e>
        <e type="operand">5</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">kbilans</e>
        <e type="operand">F1</e>
        <e type="operand">x1</e>
        <e type="operator" args="2">*</e>
        <e type="operand">F2</e>
        <e type="operand">x2</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">F3</e>
        <e type="operand">x3</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">S</e>
        <e type="operand">ε</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ubilans</e>
        <e type="operand">F1</e>
        <e type="operand">F2</e>
        <e type="operator" args="2">+</e>
        <e type="operand">F3</e>
        <e type="operator" args="2">-</e>
        <e type="operand">Δν</e>
        <e type="operand">ε</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">sastav3</e>
        <e type="operand">x3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0.1235</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="4">stack</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">f</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">kbilans</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">f</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">ubilans</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">9</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">f</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">sastav3</e>
        <e type="operand">i</e>
        <e type="operand">8</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">f</e>
        <e type="operand">11</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="13">line</e>
        <e type="operator" args="2">:</e>
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    </math>
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    <math decimalPlaces="15">
      <input>
        <e type="operand">X0</e>
        <e type="function" args="1">f2</e>
      </input>
      <result action="numeric">
        <e type="operand">9.4</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.05</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.05</e>
        <e type="operand">1.4</e>
        <e type="operand">7.95</e>
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        <e type="operand">1.05</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0.1235</e>
        <e type="operator" args="1">-</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
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    </math>
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    <math decimalPlaces="15">
      <input>
        <e type="operand">res</e>
        <e type="function" args="1">f2</e>
      </input>
      <result action="numeric">
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">4.08577</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
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        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">5.54227</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3.27293</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">5.45</e>
        <e type="operand">10</e>
        <e type="operand">7</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
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    <math optimize="2" decimalPlaces="15">
      <input>
        <e type="operand">X</e>
        <e type="function" args="1">f3</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">ε</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">F2</e>
        <e type="operand">X</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">F3</e>
        <e type="operand">X</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">6</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">x3</e>
        <e type="operand">i</e>
        <e type="operand">5</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">kbilans</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">F1</e>
        <e type="operand">x1</e>
        <e type="operator" args="2">*</e>
        <e type="bracket">(</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">F2</e>
        <e type="operand">x2</e>
        <e type="operator" args="2">*</e>
        <e type="bracket">(</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">F3</e>
        <e type="operand">x3</e>
        <e type="operator" args="2">*</e>
        <e type="bracket">(</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="operand">S</e>
        <e type="operand">ε</e>
        <e type="operator" args="2">*</e>
        <e type="bracket">(</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">ubilans</e>
        <e type="operand">F1</e>
        <e type="operand">F2</e>
        <e type="operator" args="2">+</e>
        <e type="operand">F3</e>
        <e type="operator" args="2">-</e>
        <e type="operand">Δν</e>
        <e type="operand">ε</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operator" args="2">:</e>
        <e type="operand">sastav3</e>
        <e type="operand">x3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">x3</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0.1235</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="4">stack</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">f</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">kbilans</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">f</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">ubilans</e>
        <e type="operator" args="2">:</e>
        <e type="operand">i</e>
        <e type="operand">9</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">f</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">sastav3</e>
        <e type="operand">i</e>
        <e type="operand">8</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">f</e>
        <e type="operand">11</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="13">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
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    <math decimalPlaces="15">
      <input>
        <e type="operand">res</e>
        <e type="function" args="1">f3</e>
      </input>
      <result action="numeric">
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">4.08577</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">5.54227</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3.27293</e>
        <e type="operand">10</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">5.45</e>
        <e type="operand">10</e>
        <e type="operand">7</e>
        <e type="operator" args="1">-</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
      </result>
    </math>
  </region>
  <region id="33" left="531" top="1773" width="136" height="224" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="15">
      <input>
        <e type="operand">X0</e>
        <e type="function" args="1">f3</e>
      </input>
      <result action="numeric">
        <e type="operand">9.4</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.05</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.05</e>
        <e type="operand">1.4</e>
        <e type="operand">7.95</e>
        <e type="operand">0.5</e>
        <e type="operand">0.6</e>
        <e type="operand">1.05</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0.1235</e>
        <e type="operator" args="1">-</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
      </result>
    </math>
  </region>
  <region id="34" top="2070" color="#000000" bgColor="#ffffff">
    <area single="true" collapsed="true">
      <title lang="eng">
        <p>f1</p>
      </title>
    </area>
  </region>
  <region id="35" left="486" top="2079" width="65" height="26" border="true" color="#000000" bgColor="#ffff80" fontSize="10">
    <math>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f1</e>
      </input>
    </math>
  </region>
  <region id="36" left="0" top="2097" width="499" height="457" color="#0000ff" bgColor="#ffffff" fontSize="10">
    <math evaluate="false" decimalPlaces="15">
      <description active="true" position="Top" lang="eng">
        <p>target output</p>
      </description>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">ff1</e>
      </input>
      <result action="symbolic">
        <e type="operand">7</e>
        <e type="operator" args="1">-</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3</e>
        <e type="operator" args="1">-</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operand">21</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">79</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">247</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2000</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2000</e>
        <e type="operator" args="2">/</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
      </result>
    </math>
  </region>
  <region id="37" left="558" top="2115" width="588" height="443" color="#000000" bgColor="#ffffff" fontSize="10">
    <math evaluate="false">
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f1</e>
      </input>
      <result action="symbolic">
        <e type="operand" style="string">kbilans</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">+</e>
        <e type="operand" style="string">ubilans</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand" style="string">sastav3</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">247</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2000</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2000</e>
        <e type="operator" args="2">/</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">3</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="8">mat</e>
      </result>
    </math>
  </region>
  <region id="38" left="504" top="2142" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="39" left="504" top="2178" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="40" left="504" top="2214" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="41" left="1305" top="2223" width="533" height="277" color="#000000" bgColor="#ffffff" fontSize="10">
    <math error="2">
      <input>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="function" preserve="true" args="1">length</e>
      </input>
      <result action="numeric">
        <e type="operand">#</e>
      </result>
    </math>
  </region>
  <region id="42" left="1179" top="2241" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="43" left="504" top="2277" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="44" left="504" top="2313" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="45" left="504" top="2349" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="46" left="504" top="2385" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="47" left="1179" top="2394" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="48" left="504" top="2421" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="49" left="504" top="2448" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="50" left="504" top="2475" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="51" left="1179" top="2475" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="52" left="504" top="2502" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="53" left="504" top="2529" width="28" height="24" color="#ffffff" bgColor="#008000" fontSize="10">
    <math>
      <input>
        <e type="operand">OK</e>
      </input>
    </math>
  </region>
  <region id="54" top="2592" color="#000000" bgColor="#ffffff">
    <area single="true" collapsed="true" />
  </region>
  <region id="55" left="27" top="2619" width="483" height="457" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">X#</e>
        <e type="function" args="1">fg</e>
        <e type="operand">7</e>
        <e type="operator" args="1">-</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operand">3</e>
        <e type="operator" args="1">-</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operand">21</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">79</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">247</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2000</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2000</e>
        <e type="operator" args="2">/</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="56" left="531" top="2619" width="698" height="315" color="#0000ff" bgColor="#ffffff" fontSize="10">
    <math evaluate="false">
      <description active="true" position="Top" lang="eng">
        <p>target Jacobian</p>
      </description>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">fg</e>
        <e type="operand">XX#</e>
        <e type="function" preserve="true" args="2">Jacobian</e>
      </input>
      <result action="symbolic">
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operator" args="1">-</e>
        <e type="operand">5</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">2</e>
        <e type="operand">4</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">1</e>
        <e type="operand">12</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="146">mat</e>
      </result>
    </math>
  </region>
  <region id="57" left="1332" top="2709" width="875" height="273" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">+</e>
      </input>
      <result action="symbolic">
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">+</e>
      </result>
    </math>
  </region>
  <region id="58" left="837" top="2952" width="988" height="275" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f1</e>
        <e type="function" preserve="true" args="1">expand</e>
      </input>
      <result action="symbolic">
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">247</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2000</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2000</e>
        <e type="operator" args="2">/</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="function" preserve="true" args="3">stack</e>
      </result>
    </math>
  </region>
  <region id="59" left="558" top="2988" width="233" height="224" color="#000000" bgColor="#ffffff" fontSize="10">
    <math evaluate="false">
      <input>
        <e type="operand">1</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">matrix</e>
        <e type="operator" args="2">+</e>
        <e type="function" args="1">fg</e>
      </input>
      <result action="numeric">
        <e type="operand">1.3</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1.95</e>
        <e type="operator" args="1">-</e>
        <e type="operand">1.85</e>
        <e type="operator" args="1">-</e>
        <e type="operand">8.24</e>
        <e type="operator" args="1">-</e>
        <e type="operand">0.16</e>
        <e type="operator" args="1">-</e>
        <e type="operand">4</e>
        <e type="operand">5</e>
        <e type="operand">1.5</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="operand">0.8765</e>
        <e type="operand">12</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="14">mat</e>
      </result>
    </math>
  </region>
  <region id="60" top="3231" color="#000000" bgColor="#ffffff">
    <area single="true" collapsed="true" />
  </region>
  <region id="61" left="9" top="3249" width="640" height="24" color="#ffffff" bgColor="#ff0000" fontSize="10">
    <text lang="eng">
      <p>f1(): UNABLE TO STACK -&gt; UNABLE TO FIND THE LENGTH ("X# - not defined" error)</p>
    </text>
  </region>
  <region id="62" left="9" top="3267" width="955" height="283" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
      </input>
      <result action="symbolic">
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">247</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2000</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2000</e>
        <e type="operator" args="2">/</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="function" preserve="true" args="3">stack</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
      </result>
    </math>
  </region>
  <region id="63" left="9" top="3546" width="943" height="277" color="#000000" bgColor="#ffffff" fontSize="10">
    <math error="2">
      <input>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">247</e>
        <e type="operator" args="1">-</e>
        <e type="operand">2000</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2000</e>
        <e type="operator" args="2">/</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="function" preserve="true" args="3">stack</e>
        <e type="function" preserve="true" args="1">length</e>
      </input>
      <result action="numeric">
        <e type="operand">#</e>
      </result>
    </math>
  </region>
  <region id="64" left="9" top="3843" width="290" height="24" color="#ffffff" bgColor="#ff0000" fontSize="10">
    <text lang="eng">
      <p>f2(): wrong derivative of elements</p>
    </text>
  </region>
  <region id="65" left="18" top="3879" width="525" height="281" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
      </input>
      <result action="symbolic">
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">+</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
      </result>
    </math>
  </region>
  <region id="66" left="585" top="3879" width="504" height="281" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f2B.1</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">3</e>
        <e type="operand">20</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">1</e>
        <e type="operand">10</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">5</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">1</e>
        <e type="operand">20</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">3</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">X#</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">+</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="67" left="18" top="4176" width="158" height="52" color="#000000" bgColor="#ff8080" fontSize="10">
    <math>
      <description active="true" position="Top" lang="eng">
        <p>wrong (why?)</p>
      </description>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">diff</e>
      </input>
      <result action="symbolic">
        <e type="operand">0</e>
      </result>
    </math>
  </region>
  <region id="68" left="216" top="4176" width="192" height="52" color="#000000" bgColor="#80ff80" fontSize="10">
    <math>
      <description active="true" position="Top" lang="eng">
        <p>ok</p>
      </description>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f2B.1</e>
        <e type="bracket">(</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">diff</e>
      </input>
      <result action="symbolic">
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
      </result>
    </math>
  </region>
  <region id="69" left="9" top="4284" width="727" height="24" color="#ffffff" bgColor="#ff0000" fontSize="10">
    <text lang="eng">
      <p>f3(): wrong derivative of elements, when a variable is "inside but outside" in a vector </p>
    </text>
  </region>
  <region id="70" left="18" top="4320" width="400" height="217" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">XX#</e>
        <e type="function" args="1">f3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
      </input>
      <result action="symbolic">
        <e type="operand">7</e>
        <e type="operand">10</e>
        <e type="operand">X#</e>
        <e type="operand">4</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="1">-</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="operand">X#</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">+</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">-</e>
        <e type="operand">10</e>
        <e type="operator" args="2">/</e>
      </result>
    </math>
  </region>
  <region id="71" left="18" top="4572" width="201" height="200" color="#000000" bgColor="#ff8080" fontSize="10">
    <math>
      <description active="true" position="Top" lang="eng">
        <p>1 - wrong (why?)</p>
      </description>
      <input>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">diff</e>
      </input>
      <result action="symbolic">
        <e type="operand">0</e>
      </result>
    </math>
  </region>
  <region id="72" left="243" top="4572" width="231" height="202" color="#000000" bgColor="#80ff80" fontSize="10">
    <math>
      <description active="true" position="Top" lang="eng">
        <p>2 - correct</p>
      </description>
      <input>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="bracket">(</e>
        <e type="bracket">(</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">diff</e>
      </input>
      <result action="symbolic">
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
      </result>
    </math>
  </region>
  <region id="73" left="495" top="4572" width="223" height="200" color="#000000" bgColor="#80ff80" fontSize="10">
    <math>
      <description active="true" position="Top" lang="eng">
        <p>3 - correct (different from the first, now el(X#,5) is outside from the vector)</p>
      </description>
      <input>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">7</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">8</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">9</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">11</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">X#</e>
        <e type="operand">12</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">*</e>
        <e type="bracket">(</e>
        <e type="operand">X#</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">diff</e>
      </input>
      <result action="symbolic">
        <e type="operand">X#</e>
        <e type="operand">6</e>
        <e type="function" preserve="true" args="2">el</e>
      </result>
    </math>
  </region>
  <region id="74" left="63" top="6075" width="89" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
    <math error="2">
      <input>
        <e type="operand">X#</e>
        <e type="function" args="1">f3</e>
      </input>
      <result action="numeric">
        <e type="operand">#</e>
      </result>
    </math>
  </region>
  <region id="75" left="252" top="6138" width="132" height="168" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">1</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">21</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">79</e>
        <e type="operand">100</e>
        <e type="operator" args="2">/</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
        <e type="operator" args="2">*</e>
      </input>
      <result action="numeric">
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">0.21</e>
        <e type="operand">0.79</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">7</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="9">mat</e>
      </result>
    </math>
  </region>
</regions>