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    <identity>
      <id>fbdfe652-0dba-43b6-a503-7ed31856dd18</id>
      <revision>64</revision>
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      <precision>4</precision>
      <exponentialThreshold>5</exponentialThreshold>
      <fractions>decimal</fractions>
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      <margins left="39" right="39" top="39" bottom="39" />
      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
      <footer alignment="Center" color="#a9a9a9">&amp;[PAGENUM] / &amp;[COUNT]</footer>
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  <region id="0" left="36" top="36" width="76" height="45" color="#000000" bgColor="#c0c0c0" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>Mandatory, define two of the following variables [A, a, b, c]</p>
      </description>
      <input>
        <e type="operand">A</e>
        <e type="operand">30</e>
        <e type="operand" style="unit">°</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
        <e type="operand">a</e>
        <e type="operand">3</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="1" left="36" top="90" width="65" height="24" color="#000000" bgColor="#c0c0c0" fontSize="10">
    <math>
      <description active="true" position="Right" lang="eng">
        <p>Optional, define C (taken as 90° unless defined otherwise)</p>
      </description>
      <input>
        <e type="operand">C</e>
        <e type="operand">60</e>
        <e type="operand" style="unit">°</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
      </input>
    </math>
  </region>
  <region id="2" top="135" color="#000000" bgColor="#ffffff">
    <area collapsed="true" />
    <region id="3" left="36" top="171" width="484" height="889" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">trig</e>
          <e type="operand">B</e>
          <e type="operand">180</e>
          <e type="operand" style="unit">°</e>
          <e type="operator" args="2">*</e>
          <e type="operand">A</e>
          <e type="operator" args="2">-</e>
          <e type="operand">C</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
          <e type="operand">C</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">C</e>
          <e type="operand">90</e>
          <e type="operand" style="unit">°</e>
          <e type="operator" args="2">*</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="operator" args="2">:</e>
          <e type="operand">A</e>
          <e type="operand">A</e>
          <e type="operator" args="2">:</e>
          <e type="operand">a</e>
          <e type="operand">a</e>
          <e type="operator" args="2">:</e>
          <e type="operand">b</e>
          <e type="operand">B</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">A</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="2">/</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand">c</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">A</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="2">/</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">line</e>
          <e type="operand">A</e>
          <e type="operand">a</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">A</e>
          <e type="operand">A</e>
          <e type="operator" args="2">:</e>
          <e type="operand">a</e>
          <e type="operand">A</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">B</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="2">/</e>
          <e type="operand">b</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand">b</e>
          <e type="operand">b</e>
          <e type="operator" args="2">:</e>
          <e type="operand">c</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">B</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="2">/</e>
          <e type="operand">b</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">line</e>
          <e type="operand">A</e>
          <e type="operand">b</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">A</e>
          <e type="operand">A</e>
          <e type="operator" args="2">:</e>
          <e type="operand">a</e>
          <e type="operand">A</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="2">/</e>
          <e type="operand">c</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand">b</e>
          <e type="operand">B</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operator" args="2">/</e>
          <e type="operand">c</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
          <e type="operand">c</e>
          <e type="operand">c</e>
          <e type="operator" args="2">:</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">line</e>
          <e type="operand">A</e>
          <e type="operand">c</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">A</e>
          <e type="operand">b</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">c</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">+</e>
          <e type="operand">a</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">-</e>
          <e type="operand">2</e>
          <e type="operand">b</e>
          <e type="operator" args="2">*</e>
          <e type="operand">c</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="function" preserve="true" args="1">acos</e>
          <e type="operator" args="2">:</e>
          <e type="operand">a</e>
          <e type="operand">a</e>
          <e type="operator" args="2">:</e>
          <e type="operand">b</e>
          <e type="operand">b</e>
          <e type="operator" args="2">:</e>
          <e type="operand">c</e>
          <e type="operand">a</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">b</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">+</e>
          <e type="operand">2</e>
          <e type="operand">a</e>
          <e type="operator" args="2">*</e>
          <e type="operand">b</e>
          <e type="operator" args="2">*</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="1">sqrt</e>
          <e type="operator" args="2">:</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">line</e>
          <e type="operand">a</e>
          <e type="operand">b</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">A</e>
          <e type="operand">b</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">c</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">+</e>
          <e type="operand">a</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">-</e>
          <e type="operand">2</e>
          <e type="operand">b</e>
          <e type="operator" args="2">*</e>
          <e type="operand">c</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="function" preserve="true" args="1">acos</e>
          <e type="operator" args="2">:</e>
          <e type="operand">a</e>
          <e type="operand">a</e>
          <e type="operator" args="2">:</e>
          <e type="operand">b</e>
          <e type="operand">a</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operator" args="2">*</e>
          <e type="operand">c</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">a</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">2</e>
          <e type="operator" args="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="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
          <e type="operand">c</e>
          <e type="operand">c</e>
          <e type="operator" args="2">:</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">line</e>
          <e type="operand">a</e>
          <e type="operand">c</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">A</e>
          <e type="operand">b</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">c</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">+</e>
          <e type="operand">a</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">-</e>
          <e type="operand">2</e>
          <e type="operand">b</e>
          <e type="operator" args="2">*</e>
          <e type="operand">c</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="function" preserve="true" args="1">acos</e>
          <e type="operator" args="2">:</e>
          <e type="operand">a</e>
          <e type="operand">b</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operator" args="2">*</e>
          <e type="operand">c</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">b</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
          <e type="operand">C</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">2</e>
          <e type="operator" args="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="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
          <e type="operand">b</e>
          <e type="operand">b</e>
          <e type="operator" args="2">:</e>
          <e type="operand">c</e>
          <e type="operand">c</e>
          <e type="operator" args="2">:</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">line</e>
          <e type="operand">b</e>
          <e type="operand">c</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand" style="string">
            </e>
          <e type="function" preserve="true" args="13">cases</e>
          <e type="operand">A</e>
          <e type="operand">a</e>
          <e type="operand">B</e>
          <e type="operand">b</e>
          <e type="operand">C</e>
          <e type="operand">c</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="8">mat</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="6">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
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    <region id="4" left="36" top="1089" width="104" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">A'</e>
          <e type="operand">trig</e>
          <e type="operand">1</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="3">el</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="5" left="360" top="1089" width="104" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">a'</e>
          <e type="operand">trig</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="3">el</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="6" left="36" top="1125" width="104" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">B'</e>
          <e type="operand">trig</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="3">el</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="7" left="360" top="1125" width="104" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">b'</e>
          <e type="operand">trig</e>
          <e type="operand">2</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="3">el</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="8" left="36" top="1161" width="104" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">C'</e>
          <e type="operand">trig</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="3">el</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="9" left="360" top="1161" width="104" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">c'</e>
          <e type="operand">trig</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="3">el</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="10" left="36" top="1224" width="60" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">X.A</e>
          <e type="operand">b'</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="11" left="360" top="1224" width="226" height="43" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">X.a</e>
          <e type="operand">X.B</e>
          <e type="operand">A'</e>
          <e type="operand">B'</e>
          <e type="operator" args="2">+</e>
          <e type="operand">90</e>
          <e type="operand" style="unit">°</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">a'</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="12" left="36" top="1251" width="52" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">Y.A</e>
          <e type="operand">0</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="13" left="360" top="1269" width="226" height="43" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">Y.a</e>
          <e type="operand">Y.B</e>
          <e type="operand">A'</e>
          <e type="operand">B'</e>
          <e type="operator" args="2">+</e>
          <e type="operand">90</e>
          <e type="operand" style="unit">°</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">a'</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="14" left="36" top="1350" width="150" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">X.B</e>
          <e type="operand">X.A</e>
          <e type="operand">A'</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">c'</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="15" left="360" top="1350" width="64" height="41" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">X.b</e>
          <e type="operand">b'</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="16" left="36" top="1377" width="150" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">Y.B</e>
          <e type="operand">Y.A</e>
          <e type="operand">A'</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">c'</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="17" left="360" top="1395" width="52" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">Y.b</e>
          <e type="operand">0</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="18" left="36" top="1449" width="52" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">X.C</e>
          <e type="operand">0</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="19" left="360" top="1449" width="154" height="43" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">X.c</e>
          <e type="operand">X.A</e>
          <e type="operand">A'</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">c'</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="20" left="36" top="1476" width="52" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">Y.C</e>
          <e type="operand">0</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="21" left="360" top="1494" width="154" height="43" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">Y.c</e>
          <e type="operand">Y.A</e>
          <e type="operand">A'</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">c'</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="22" left="36" top="1566" width="222" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">X.D</e>
          <e type="operand">X.B</e>
          <e type="operand">A'</e>
          <e type="operand">B'</e>
          <e type="operator" args="2">+</e>
          <e type="operand">90</e>
          <e type="operand" style="unit">°</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="1">sin</e>
          <e type="operand">a'</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="23" left="36" top="1593" width="222" height="33" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">Y.D</e>
          <e type="operand">Y.B</e>
          <e type="operand">A'</e>
          <e type="operand">B'</e>
          <e type="operator" args="2">+</e>
          <e type="operand">90</e>
          <e type="operand" style="unit">°</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="function" preserve="true" args="1">cos</e>
          <e type="operand">a'</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="24" left="36" top="1647" width="205" height="63" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">zero</e>
          <e type="operand">A'</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">a'</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">B'</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">b'</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">C'</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">c'</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="8">mat</e>
          <e type="function" preserve="true" args="1">sum</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region id="25" left="36" top="1728" width="214" height="75" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">im</e>
          <e type="operand">A'</e>
          <e type="function" preserve="true" args="1">Im</e>
          <e type="function" preserve="true" args="1">abs</e>
          <e type="operand">a'</e>
          <e type="function" preserve="true" args="1">Im</e>
          <e type="function" preserve="true" args="1">abs</e>
          <e type="operand">B'</e>
          <e type="function" preserve="true" args="1">Im</e>
          <e type="function" preserve="true" args="1">abs</e>
          <e type="operand">b'</e>
          <e type="function" preserve="true" args="1">Im</e>
          <e type="function" preserve="true" args="1">abs</e>
          <e type="operand">C'</e>
          <e type="function" preserve="true" args="1">Im</e>
          <e type="function" preserve="true" args="1">abs</e>
          <e type="operand">c'</e>
          <e type="function" preserve="true" args="1">Im</e>
          <e type="function" preserve="true" args="1">abs</e>
          <e type="operand">3</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="8">mat</e>
          <e type="function" preserve="true" args="1">sum</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region id="26" left="36" top="1818" width="209" height="89" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">var</e>
          <e type="operand">A</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">a</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">b</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand">c</e>
          <e type="function" preserve="true" args="1">IsDefined</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="1">sum</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">2</e>
        </result>
      </math>
    </region>
    <region id="27" left="36" top="1926" width="514" height="299" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">text</e>
          <e type="operand">zero</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="bracket">(</e>
          <e type="operand">im</e>
          <e type="operand">10</e>
          <e type="operand">12</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">&lt;</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">&amp;</e>
          <e type="operand">var</e>
          <e type="operand">2</e>
          <e type="operator" args="2">&gt;</e>
          <e type="operand" style="string">For mange definisjoner</e>
          <e type="operand">var</e>
          <e type="operand">2</e>
          <e type="operator" args="2">&lt;</e>
          <e type="operand" style="string">For mange ukjente</e>
          <e type="operand" style="string">Beregning basert på A og a</e>
          <e type="operand">A</e>
          <e type="operand">a</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand" style="string">Beregning basert på A og b</e>
          <e type="operand">A</e>
          <e type="operand">b</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand" style="string">Beregning basert på A og c</e>
          <e type="operand">A</e>
          <e type="operand">c</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand" style="string">Beregning basert på a og b</e>
          <e type="operand">a</e>
          <e type="operand">b</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand" style="string">Beregning basert på a og c</e>
          <e type="operand">a</e>
          <e type="operand">c</e>
          <e type="operand">1</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="4">mat</e>
          <e type="function" preserve="true" args="1">IsDefined</e>
          <e type="operand" style="string">Beregning basert på b og c</e>
          <e type="function" preserve="true" args="11">cases</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="operand" style="string">Trekant er ikke reell</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="28" left="36" top="2250" width="397" height="454" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">plot</e>
          <e type="operand">zero</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="bracket">(</e>
          <e type="operand">im</e>
          <e type="operand">10</e>
          <e type="operand">12</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">&lt;</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">&amp;</e>
          <e type="operand">var</e>
          <e type="operand">2</e>
          <e type="operator" args="2">&gt;</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand" style="string">For mange definisjoner</e>
          <e type="operand">8</e>
          <e type="operand" style="string">red</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="operand">var</e>
          <e type="operand">2</e>
          <e type="operator" args="2">&lt;</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand" style="string">For mange ukjente</e>
          <e type="operand">8</e>
          <e type="operand" style="string">red</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="operand">X.C</e>
          <e type="operand">Y.C</e>
          <e type="operand">X.A</e>
          <e type="operand">Y.A</e>
          <e type="operand">X.B</e>
          <e type="operand">Y.B</e>
          <e type="operand">X.D</e>
          <e type="operand">Y.D</e>
          <e type="operand">4</e>
          <e type="operand">2</e>
          <e type="function" preserve="true" args="10">mat</e>
          <e type="operand">X.A</e>
          <e type="operand">Y.A</e>
          <e type="operand" style="string">A</e>
          <e type="operand">8</e>
          <e type="operand" style="string">red</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="operand">X.B</e>
          <e type="operand">Y.B</e>
          <e type="operand" style="string">B</e>
          <e type="operand">8</e>
          <e type="operand" style="string">red</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="operand">X.C</e>
          <e type="operand">Y.C</e>
          <e type="operand" style="string">C</e>
          <e type="operand">8</e>
          <e type="operand" style="string">red</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="operand">X.a</e>
          <e type="operand">Y.a</e>
          <e type="operand" style="string">a</e>
          <e type="operand">8</e>
          <e type="operand" style="string">green</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="operand">X.b</e>
          <e type="operand">Y.b</e>
          <e type="operand" style="string">b</e>
          <e type="operand">8</e>
          <e type="operand" style="string">green</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="operand">X.c</e>
          <e type="operand">Y.c</e>
          <e type="operand" style="string">c</e>
          <e type="operand">8</e>
          <e type="operand" style="string">green</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="operand">7</e>
          <e type="operand">1</e>
          <e type="function" preserve="true" args="9">sys</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand" style="string">Trekant er ikke reell</e>
          <e type="operand">8</e>
          <e type="operand" style="string">red</e>
          <e type="operand">1</e>
          <e type="operand">5</e>
          <e type="function" preserve="true" args="7">mat</e>
          <e type="function" preserve="true" args="3">if</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="29" top="2709" color="#000000" bgColor="#ffffff">
      <area terminator="true" />
    </region>
  </region>
  <region id="30" left="360" top="2736" width="351" height="215" color="#000000" bgColor="#ffffff" fontSize="10">
    <plot type="2d" render="lines" scale_x="4.17724816941565" scale_y="4.17724816941565" scale_z="4.17724816941565" rotate_x="0" rotate_y="0" rotate_z="0" transpose_x="-129" transpose_y="-57" transpose_z="0">
      <input>
        <e type="operand">plot</e>
      </input>
    </plot>
  </region>
  <region id="31" left="36" top="2763" width="255" height="24" color="#000000" bgColor="#ffffff" fontSize="10" showInputData="False">
    <math decimalPlaces="2">
      <input>
        <e type="operand">text</e>
      </input>
      <result action="numeric">
        <e type="operand" style="string">Beregning basert på A og a</e>
      </result>
    </math>
  </region>
  <region id="32" left="36" top="2808" width="71" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="2">
      <input>
        <e type="operand">A'</e>
      </input>
      <contract>
        <e type="operand" style="unit">°</e>
      </contract>
      <result action="numeric">
        <e type="operand">30</e>
      </result>
    </math>
  </region>
  <region id="33" left="234" top="2808" width="61" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="2">
      <input>
        <e type="operand">a'</e>
      </input>
      <result action="numeric">
        <e type="operand">3</e>
      </result>
    </math>
  </region>
  <region id="34" left="36" top="2853" width="71" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="2">
      <input>
        <e type="operand">B'</e>
      </input>
      <contract>
        <e type="operand" style="unit">°</e>
      </contract>
      <result action="numeric">
        <e type="operand">90</e>
      </result>
    </math>
  </region>
  <region id="35" left="234" top="2853" width="61" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="2">
      <input>
        <e type="operand">b'</e>
      </input>
      <result action="numeric">
        <e type="operand">6</e>
      </result>
    </math>
  </region>
  <region id="36" left="36" top="2898" width="71" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="2">
      <input>
        <e type="operand">C'</e>
      </input>
      <contract>
        <e type="operand" style="unit">°</e>
      </contract>
      <result action="numeric">
        <e type="operand">60</e>
      </result>
    </math>
  </region>
  <region id="37" left="234" top="2898" width="78" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <math decimalPlaces="2">
      <input>
        <e type="operand">c'</e>
      </input>
      <result action="numeric">
        <e type="operand">5.2</e>
      </result>
    </math>
  </region>
  <region id="38" left="27" top="2997" width="280" height="210" color="#000000" bgColor="#ffffff" fontSize="10">
    <math optimize="2">
      <input>
        <e type="operand">plot</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">6</e>
        <e type="operand">0</e>
        <e type="operand">1.5</e>
        <e type="operand">2.6</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand">4</e>
        <e type="operand">2</e>
        <e type="function" preserve="true" args="10">mat</e>
        <e type="operand">6</e>
        <e type="operand">0</e>
        <e type="operand" style="string">A</e>
        <e type="operand">8</e>
        <e type="operand" style="string">red</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">1.5</e>
        <e type="operand">2.6</e>
        <e type="operand" style="string">B</e>
        <e type="operand">8</e>
        <e type="operand" style="string">red</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">0</e>
        <e type="operand">0</e>
        <e type="operand" style="string">C</e>
        <e type="operand">8</e>
        <e type="operand" style="string">red</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">0.75</e>
        <e type="operand">1.3</e>
        <e type="operand" style="string">a</e>
        <e type="operand">8</e>
        <e type="operand" style="string">green</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">3</e>
        <e type="operand">0</e>
        <e type="operand" style="string">b</e>
        <e type="operand">8</e>
        <e type="operand" style="string">green</e>
        <e type="operand">1</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="7">mat</e>
        <e type="operand">3.75</e>
        <e type="operand">1.299</e>
        <e type="operand" style="string">c</e>
        <e type="operand">8</e>
        <e type="operand" style="string">green</e>
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        <p>zoom</p>
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        <e type="operand">T</e>
        <e type="operand">3</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">T</e>
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        <e type="function" preserve="true" args="2">el</e>
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        <e type="operand">T</e>
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        <e type="operand">z</e>
        <e type="operand">0</e>
        <e type="operator" args="2">*</e>
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        <e type="operand">z</e>
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        <e type="operand" style="string">black</e>
        <e type="operand">z</e>
        <e type="operand">3</e>
        <e type="operator" args="2">*</e>
        <e type="operand">z</e>
        <e type="operand">0</e>
        <e type="operator" args="2">*</e>
        <e type="operand" style="string">b</e>
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        <e type="operand">3.75</e>
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        <e type="operand">z</e>
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        <e type="operand" style="string">black</e>
        <e type="operand">6</e>
        <e type="operand">5</e>
        <e type="function" preserve="true" args="32">mat</e>
        <e type="operator" args="2">:</e>
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    <math>
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        <e type="operand">Triangle</e>
        <e type="operand">T</e>
        <e type="operand">1</e>
        <e type="function" preserve="true" args="2">el</e>
        <e type="operand">z</e>
        <e type="operator" args="2">*</e>
        <e type="bracket">(</e>
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        <e type="operand">0</e>
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        <e type="operand">0</e>
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        <e type="operand">1</e>
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