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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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        <e type="operand">x</e>
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        <e type="operand">4</e>
        <e type="operand">9</e>
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        <e type="operand">2</e>
        <e type="operand">9</e>
        <e type="operand">7</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
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        <e type="operand">3</e>
        <e type="operand">1</e>
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        <e type="operand">θ</e>
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        <e type="operand">θ</e>
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        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
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        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">sin</e>
        <e type="operand">θ</e>
        <e type="function" preserve="true" args="1">cos</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operator" args="2">:</e>
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    <math decimalPlaces="3">
      <input>
        <e type="operand">θ</e>
        <e type="operand">π</e>
        <e type="operator" args="1">-</e>
        <e type="operand">5</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">:</e>
      </input>
      <result action="numeric">
        <e type="operand">0.628</e>
        <e type="operator" args="1">-</e>
      </result>
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    <math decimalPlaces="3">
      <input>
        <e type="operand">New</e>
        <e type="operand">uv</e>
        <e type="operand">θ</e>
        <e type="function" args="1">rot</e>
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        <e type="operator" args="2">:</e>
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        <e type="operand">0.442</e>
        <e type="operand">2.794</e>
        <e type="operand">2.054</e>
        <e type="operator" args="1">-</e>
        <e type="operand">9.632</e>
        <e type="operand">3.167</e>
        <e type="operand">10.953</e>
        <e type="operand">7.724</e>
        <e type="operand">8.084</e>
        <e type="operand">0.442</e>
        <e type="operand">2.794</e>
        <e type="operand">5</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="12">mat</e>
      </result>
    </math>
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    <plot type="2d" render="lines" scale_x="0.970299" scale_y="1.1623211721" scale_z="0.941480149401" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-25" transpose_y="-46" transpose_z="0">
      <input>
        <e type="operand">uv</e>
        <e type="operand">New</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
      </input>
    </plot>
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    <math optimize="2">
      <input>
        <e type="operand">x</e>
        <e type="function" args="1">a</e>
        <e type="operand">2</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">2</e>
        <e type="operand">9</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="3">linterp</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x</e>
        <e type="function" args="1">b</e>
        <e type="operand">4</e>
        <e type="operand">9</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">9</e>
        <e type="operand">7</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="3">linterp</e>
        <e type="operator" args="2">:</e>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operand">New</e>
        <e type="operand">1</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operand">New</e>
        <e type="operand">4</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">New</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operand">New</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
        <e type="operand">x</e>
        <e type="function" preserve="true" args="3">linterp</e>
        <e type="operator" args="2">:</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">sys</e>
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    <math fractionType="fraction" decimalPlaces="6">
      <description active="true" position="Right" lang="eng">
        <p>'N' random in critical region</p>
      </description>
      <input>
        <e type="operand">N</e>
        <e type="operand">1000</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="7" left="423" top="378" width="324" height="163" border="true" color="#000000" bgColor="#e1ff80" fontSize="10">
    <math optimize="0" fractionType="fraction" decimalPlaces="6">
      <input>
        <e type="operand">data</e>
        <e type="operand">spec</e>
        <e type="function" args="2">pts</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">data</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">p</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">a</e>
        <e type="operand">b</e>
        <e type="operand">c</e>
        <e type="function" args="3">spec</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">v</e>
        <e type="operand">p</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">:</e>
        <e type="operand" style="string">Unest 'p' </e>
        <e type="operand">j</e>
        <e type="operand">2</e>
        <e type="operand">p</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">v</e>
        <e type="operand">v</e>
        <e type="operand">p</e>
        <e type="operand">j</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" preserve="true" args="2">stack</e>
        <e type="operator" args="2">:</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">data</e>
        <e type="operand">v</e>
        <e type="function" preserve="true" args="2">augment</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="8" left="9" top="414" width="196" height="91" border="true" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math decimalPlaces="4">
      <description active="false" position="Right" lang="eng">
        <p>size/define critical region.Plot first before filling</p>
      </description>
      <input>
        <e type="operand">xmin</e>
        <e type="operand">2</e>
        <e type="operator" args="2">:</e>
        <e type="operand">xmax</e>
        <e type="operand">10</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ymin</e>
        <e type="operand">2</e>
        <e type="operator" args="2">:</e>
        <e type="operand">ymax</e>
        <e type="operand">10</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="6">mat</e>
        <e type="operand">space_x</e>
        <e type="operand">xmax</e>
        <e type="operand">xmin</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">:</e>
        <e type="operand">space_y</e>
        <e type="operand">ymax</e>
        <e type="operand">ymin</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">sys</e>
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    </math>
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  <region id="9" left="9" top="513" width="289" height="28" color="#000000" bgColor="#ebebeb" fontSize="10">
    <math optimize="2" fractionType="fraction" decimalPlaces="6">
      <description active="true" position="Top" lang="eng">
        <p>A function that tests an arbitrary point for its membership in the critical region.</p>
      </description>
      <input>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" args="2">Test</e>
        <e type="operand">y</e>
        <e type="operand">x</e>
        <e type="function" args="1">a</e>
        <e type="operator" args="2">≤</e>
        <e type="bracket">(</e>
        <e type="operand">y</e>
        <e type="operand">x</e>
        <e type="function" args="1">b</e>
        <e type="operator" args="2">≤</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">y</e>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operator" args="2">≥</e>
        <e type="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
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    <math optimize="2" fractionType="fraction" decimalPlaces="6">
      <description active="true" position="Top" lang="eng">
        <p>A routine that finds an array of N random pairs in the critical region.</p>
      </description>
      <input>
        <e type="operand">Pts</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">N</e>
        <e type="function" preserve="true" args="2">range</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="1">Random</e>
        <e type="operand">space_x</e>
        <e type="operator" args="2">*</e>
        <e type="operand">xmin</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">y</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="1">Random</e>
        <e type="operand">space_y</e>
        <e type="operator" args="2">*</e>
        <e type="operand">ymin</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">1</e>
        <e type="operand">x</e>
        <e type="operand">y</e>
        <e type="function" args="2">Test</e>
        <e type="operator" args="2">-</e>
        <e type="operand">x</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="1">Random</e>
        <e type="operand">space_x</e>
        <e type="operator" args="2">*</e>
        <e type="operand">xmin</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">y</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="1">Random</e>
        <e type="operand">space_y</e>
        <e type="operator" args="2">*</e>
        <e type="operand">ymin</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">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="function" preserve="true" args="2">while</e>
        <e type="operand">P</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operand">x</e>
        <e type="operator" args="2">:</e>
        <e type="operand">P</e>
        <e type="operand">i</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="3">el</e>
        <e type="operand">y</e>
        <e type="operator" args="2">:</e>
        <e type="operand">5</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="7">line</e>
        <e type="function" preserve="true" args="3">for</e>
        <e type="operand">P</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="11" left="459" top="594" width="272" height="52" border="true" color="#000000" bgColor="#ffffe1" fontSize="10">
    <math decimalPlaces="4">
      <input>
        <e type="operand">a</e>
        <e type="operand">b</e>
        <e type="operand">c</e>
        <e type="function" args="3">spec</e>
        <e type="operand" style="string">.</e>
        <e type="operand">5</e>
        <e type="operand" style="string">#808080</e>
        <e type="operand">1</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operator" args="2">:</e>
        <e type="operand">fill</e>
        <e type="operand">Pts</e>
        <e type="operand">a</e>
        <e type="operand">b</e>
        <e type="operand">c</e>
        <e type="function" args="3">spec</e>
        <e type="function" args="2">pts</e>
        <e type="operator" args="2">:</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">line</e>
      </input>
    </math>
  </region>
  <region id="12" left="360" top="657" width="58" height="123" color="#000000" bgColor="#80ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">uv</e>
        <e type="operand">New</e>
        <e type="operand">x</e>
        <e type="function" args="1">a</e>
        <e type="operand">x</e>
        <e type="function" args="1">b</e>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operand">fill</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">sys</e>
      </input>
    </math>
  </region>
  <region id="13" left="459" top="657" width="277" height="206" color="#000000" bgColor="#ebebeb" fontSize="10" showInputData="False">
    <plot type="2d" render="lines" scale_x="1.82394916566547" scale_y="2.4159133246083" scale_z="10.8764900905308" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-90" transpose_y="-75" transpose_z="0">
      <input>
        <e type="operand">uv</e>
        <e type="operand">New</e>
        <e type="operand">x</e>
        <e type="function" args="1">a</e>
        <e type="operand">x</e>
        <e type="function" args="1">b</e>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operand">fill</e>
        <e type="operand">6</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="8">sys</e>
      </input>
    </plot>
  </region>
  <region id="14" left="9" top="873" width="268" height="75" color="#000000" bgColor="#80ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">X</e>
        <e type="operand">x</e>
        <e type="function" args="1">a</e>
        <e type="operand">x</e>
        <e type="function" args="1">b</e>
        <e type="operator" args="2">-</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">x</e>
        <e type="operand">0</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="4">solve</e>
        <e type="operand">x</e>
        <e type="function" args="1">b</e>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operator" args="2">-</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">x</e>
        <e type="operand">0</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="4">solve</e>
        <e type="operand">x</e>
        <e type="function" args="1">a</e>
        <e type="operand">x</e>
        <e type="function" args="1">c</e>
        <e type="operator" args="2">-</e>
        <e type="operand">0</e>
        <e type="operator" args="2">≡</e>
        <e type="operand">x</e>
        <e type="operand">0</e>
        <e type="operand">10</e>
        <e type="function" preserve="true" args="4">solve</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="15" left="306" top="873" width="87" height="93" color="#000000" bgColor="#80ffff" fontSize="10">
    <math>
      <input>
        <e type="operand">Y</e>
        <e type="operand">X</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">a</e>
        <e type="operand">X</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">b</e>
        <e type="operand">X</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="function" args="1">c</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="16" left="459" top="900" width="96" height="63" color="#000000" bgColor="#80ffff" fontSize="10">
    <math decimalPlaces="3">
      <input>
        <e type="operand">X</e>
      </input>
      <result action="numeric">
        <e type="operand">4</e>
        <e type="operand">7.215</e>
        <e type="operand">2.694</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
      </result>
    </math>
  </region>
  <region id="17" left="558" top="900" width="96" height="63" color="#000000" bgColor="#80ffff" fontSize="10">
    <math decimalPlaces="3">
      <input>
        <e type="operand">Y</e>
      </input>
      <result action="numeric">
        <e type="operand">9</e>
        <e type="operand">7.714</e>
        <e type="operand">4.43</e>
        <e type="operand">3</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="5">mat</e>
      </result>
    </math>
  </region>
  <region id="18" left="9" top="1044" width="377" height="67" border="true" color="#000000" bgColor="#c8ffff" fontSize="10">
    <math decimalPlaces="3">
      <description active="true" position="Top" lang="eng">
        <p>Area Polygon wrt vertices coordinates</p>
      </description>
      <input>
        <e type="operand">A</e>
        <e type="operand">1</e>
        <e type="operand">2</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="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">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Y</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="bracket">(</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">X</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="4">sum</e>
        <e type="operator" args="2">*</e>
        <e type="function" preserve="true" args="1">abs</e>
        <e type="operator" args="2">:</e>
      </input>
      <result action="numeric">
        <e type="operand">11.451</e>
      </result>
    </math>
  </region>
  <region id="19" left="9" top="1143" width="394" height="65" border="true" color="#000000" bgColor="#c8ffff" fontSize="10">
    <math decimalPlaces="3">
      <description active="true" position="Top" lang="eng">
        <p>Perimeter  Polygon wrt vertices coordinates</p>
      </description>
      <input>
        <e type="operand">P</e>
        <e type="operand">X</e>
        <e type="operand">i</e>
        <e type="operand">1</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="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operator" args="2">-</e>
        <e type="bracket">(</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="1">sqrt</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">X</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="4">sum</e>
        <e type="operator" args="2">:</e>
      </input>
      <result action="numeric">
        <e type="operand">9.05</e>
      </result>
    </math>
  </region>
  <region id="20" left="9" top="1242" width="423" height="127" border="true" color="#000000" bgColor="#c8ffff" fontSize="10">
    <math>
      <description active="true" position="Top" lang="eng">
        <p>Center of gravity wrt vertices coordinates</p>
      </description>
      <input>
        <e type="operand">Xo</e>
        <e type="operand">1</e>
        <e type="operand">6</e>
        <e type="operand">A</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">/</e>
        <e type="operand">X</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="operand">1</e>
        <e type="operator" args="2">+</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">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="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">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Y</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="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">X</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="4">sum</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
        <e type="operand">Yo</e>
        <e type="operand">1</e>
        <e type="operand">6</e>
        <e type="operand">A</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">/</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</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">i</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Y</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operator" args="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">i</e>
        <e type="operand">1</e>
        <e type="operator" args="2">+</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">Y</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="bracket">(</e>
        <e type="operator" args="2">*</e>
        <e type="operand">i</e>
        <e type="operand">1</e>
        <e type="operand">X</e>
        <e type="function" preserve="true" args="1">rows</e>
        <e type="operand">1</e>
        <e type="operator" args="2">-</e>
        <e type="function" preserve="true" args="4">sum</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="function" preserve="true" args="4">mat</e>
      </input>
    </math>
  </region>
  <region id="21" left="450" top="1314" width="120" height="49" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="3">
      <description active="true" position="Right" lang="eng">
        <p>Center of gravity</p>
      </description>
      <input>
        <e type="operand">Xo</e>
        <e type="function" preserve="true" args="1">abs</e>
        <e type="operand">Yo</e>
        <e type="function" preserve="true" args="1">abs</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
      </input>
      <result action="numeric">
        <e type="operand">3.951</e>
        <e type="operand">6.315</e>
        <e type="operand">2</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="4">mat</e>
      </result>
    </math>
  </region>
  <region id="22" top="1431" color="#000000" bgColor="#80ffff">
    <area single="true" collapsed="true" />
  </region>
</regions>