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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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      <text lang="eng">
        <p>Combinet biaxial bending and tension/compression
of rectangular concrete section</p>
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          <e type="operand">4</e>
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          <e type="operand">ε</e>
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          <e type="operand">1000</e>
          <e type="operand">ε</e>
          <e type="operator" args="2">*</e>
          <e type="operand">250</e>
          <e type="operand">ε</e>
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          <e type="operand">1</e>
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          <e type="operator" args="2">*</e>
          <e type="operand">f.cd</e>
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          <e type="operand">0.2</e>
          <e type="operand" style="unit">%</e>
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        <p>Concrete constitutive equation</p>
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    <region id="4" left="0" top="135" width="209" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Concrete design strenght</p>
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          <e type="operand">f.cd</e>
          <e type="operand">35</e>
          <e type="operand" style="unit">MPa</e>
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      <text lang="eng">
        <p>Steel constitutive</p>
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          <e type="operand">ε</e>
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          <e type="operand">E.s</e>
          <e type="operand">ε</e>
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      <text lang="eng">
        <p>Steel Young's modulus</p>
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          <e type="operand">E.s</e>
          <e type="operand">210</e>
          <e type="operand" style="unit">GPa</e>
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          <e type="operand">V</e>
          <e type="operand" style="string">ID</e>
          <e type="operand" style="string">x</e>
          <e type="operand" style="string">y</e>
          <e type="operand">1</e>
          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">2</e>
          <e type="operand">14</e>
          <e type="operand" style="unit">cm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">0</e>
          <e type="operand">3</e>
          <e type="operand">14</e>
          <e type="operand" style="unit">cm</e>
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          <e type="operand">14</e>
          <e type="operand" style="unit">cm</e>
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          <e type="operand">4</e>
          <e type="operand">0</e>
          <e type="operand">14</e>
          <e type="operand" style="unit">cm</e>
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          <e type="operand">0</e>
          <e type="operand">0</e>
          <e type="operand">6</e>
          <e type="operand">3</e>
          <e type="function" args="20">mat</e>
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          <p>Some definitions</p>
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          <p>Coordinate vertici sezione</p>
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            <e type="operand">V</e>
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            <e type="operand">2</e>
            <e type="operand">V</e>
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            <e type="operand">14</e>
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            <e type="operand">14</e>
            <e type="operand">0</e>
            <e type="operand">14</e>
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">5</e>
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            <e type="operand">14</e>
            <e type="operand">14</e>
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">mat</e>
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            <e type="operand">y.v</e>
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            <e type="operand">0</e>
            <e type="operand">14</e>
            <e type="operand">14</e>
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            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">mat</e>
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          <e type="operand">n.v</e>
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          <e type="operand">7</e>
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          <e type="operand">7</e>
          <e type="operand" style="unit">cm</e>
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          <e type="operator" args="2">:</e>
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          <e type="operand">barre</e>
          <e type="operand" style="string">x</e>
          <e type="operand" style="string">y</e>
          <e type="operand" style="string">#</e>
          <e type="operand" style="string">ϕ</e>
          <e type="operand">25</e>
          <e type="operand" style="unit">mm</e>
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          <e type="operand">25</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">12</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">115</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">115</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">12</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">115</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">25</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">12</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">25</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">115</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">1</e>
          <e type="operand">12</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operand">5</e>
          <e type="operand">4</e>
          <e type="function" args="22">mat</e>
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        <p>Rebar matrix</p>
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      <area collapsed="true">
        <title lang="ita">
          <p>Some definitions</p>
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            <e type="operand">barre</e>
            <e type="operand">2</e>
            <e type="operand">barre</e>
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            <e type="operand">1</e>
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            <e type="operand">barre</e>
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            <e type="operand">2</e>
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            <e type="operand">x.s</e>
            <e type="operand">y.s</e>
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            <e type="operand">num</e>
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            <e type="operand">2</e>
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            <e type="operand">3</e>
            <e type="operand">3</e>
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            <e type="operand">dia</e>
            <e type="operand">barre</e>
            <e type="operand">2</e>
            <e type="operand">barre</e>
            <e type="function" args="1">rows</e>
            <e type="operand">4</e>
            <e type="operand">4</e>
            <e type="function" args="5">submatrix</e>
            <e type="operator" args="2">:</e>
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            <e type="operand">i</e>
            <e type="operand">1</e>
            <e type="operand">num</e>
            <e type="function" args="1">length</e>
            <e type="function" args="2">range</e>
            <e type="operand">num</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="operand" style="string"></e>
            <e type="operator" args="2">≠</e>
            <e type="operand">A.s</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="operand">num</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="operand">π</e>
            <e type="operand">4</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">*</e>
            <e type="operand">dia</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="bracket">(</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="operand">A.s</e>
            <e type="operand">i</e>
            <e type="function" args="2">el</e>
            <e type="function" args="3">if</e>
            <e type="function" args="3">for</e>
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          <e type="operand">x.s</e>
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          <e type="operand">25</e>
          <e type="operand">115</e>
          <e type="operand">115</e>
          <e type="operand">25</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="6">mat</e>
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          <e type="operand">y.s</e>
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          <e type="operand" style="unit">mm</e>
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          <e type="operand">25</e>
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          <e type="operand">25</e>
          <e type="operand">115</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="6">mat</e>
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          <e type="operand">A.s</e>
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          <e type="operand" style="unit">mm</e>
          <e type="operand">2</e>
          <e type="operator" args="2">^</e>
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          <e type="operand">113.1</e>
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          <e type="operand">113.1</e>
          <e type="operand">4</e>
          <e type="operand">1</e>
          <e type="function" args="6">mat</e>
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      </math>
    </region>
    <region id="36" left="0" top="1323" width="69" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Rebar #</p>
      </text>
    </region>
    <region id="37" left="117" top="1323" width="191" height="31" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="0">
        <input>
          <e type="operand">n.b</e>
          <e type="operand">barre</e>
          <e type="function" args="1">rows</e>
          <e type="operand">1</e>
          <e type="operator" args="2">-</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">4</e>
        </result>
      </math>
    </region>
    <region id="38" left="387" top="1323" width="62" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">arm</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="39" left="0" top="1368" width="171" height="28" border="true" color="#000000" bgColor="#ffffff" fontSize="12">
      <text lang="ita">
        <p>External actions</p>
      </text>
    </region>
    <region id="40" left="0" top="1404" width="102" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Axial force</p>
      </text>
    </region>
    <region id="41" left="198" top="1404" width="78" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">N.Ed</e>
          <e type="operand">0</e>
          <e type="operand" style="unit">kN</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="42" left="0" top="1431" width="119" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Bending mom X</p>
      </text>
    </region>
    <region id="43" left="198" top="1431" width="135" height="31" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">M.x.Ed</e>
          <e type="operand">20</e>
          <e type="operator" args="1">-</e>
          <e type="bracket">(</e>
          <e type="operand" style="unit">kN</e>
          <e type="operator" args="2">*</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="44" left="0" top="1467" width="119" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Bending mom Y</p>
      </text>
    </region>
    <region id="45" left="198" top="1467" width="135" height="31" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">M.y.Ed</e>
          <e type="operand">20</e>
          <e type="operator" args="1">-</e>
          <e type="bracket">(</e>
          <e type="operand" style="unit">kN</e>
          <e type="operator" args="2">*</e>
          <e type="operand" style="unit">m</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="46" left="0" top="1521" width="171" height="28" border="true" color="#000000" bgColor="#ffffff" fontSize="12">
      <text lang="ita">
        <p>Internal actions</p>
      </text>
    </region>
    <region id="47" left="198" top="1566" width="377" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math optimize="2">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">ε</e>
          <e type="operand">ε.G</e>
          <e type="operand">y</e>
          <e type="operand">y.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operand">χ.x</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operand">x</e>
          <e type="operand">x.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operand">χ.y</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="48" left="0" top="1575" width="152" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Deformation func.</p>
      </text>
    </region>
    <region id="49" left="207" top="1620" width="148" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">x.min</e>
          <e type="operand">x.v</e>
          <e type="function" args="1">min</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region id="50" left="0" top="1629" width="193" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>Integration boundaries</p>
      </text>
    </region>
    <region id="51" left="207" top="1647" width="172" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">x.max</e>
          <e type="operand">x.v</e>
          <e type="function" args="1">max</e>
          <e type="operator" args="2">:</e>
        </input>
        <contract>
          <e type="operand" style="unit">mm</e>
        </contract>
        <result action="numeric">
          <e type="operand">140</e>
        </result>
      </math>
    </region>
    <region id="52" left="207" top="1683" width="148" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">y.min</e>
          <e type="operand">y.v</e>
          <e type="function" args="1">min</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
    <region id="53" left="207" top="1710" width="172" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">y.max</e>
          <e type="operand">y.v</e>
          <e type="function" args="1">max</e>
          <e type="operator" args="2">:</e>
        </input>
        <contract>
          <e type="operand" style="unit">mm</e>
        </contract>
        <result action="numeric">
          <e type="operand">140</e>
        </result>
      </math>
    </region>
    <region id="54" top="1755" color="#000000" bgColor="#ffffff">
      <area collapsed="true">
        <title lang="eng">
          <p>Units purge</p>
        </title>
      </area>
      <region id="55" left="0" top="1782" width="160" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">y.G.CLS</e>
            <e type="operand">y.G.CLS</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">70</e>
          </result>
        </math>
      </region>
      <region id="56" left="171" top="1782" width="160" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">x.G.CLS</e>
            <e type="operand">x.G.CLS</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">70</e>
          </result>
        </math>
      </region>
      <region id="57" left="0" top="1845" width="158" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">E.s</e>
            <e type="operand">E.s</e>
            <e type="operand" style="unit">MPa</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">2.1</e>
            <e type="operand">10</e>
            <e type="operand">5</e>
            <e type="operator" args="2">^</e>
            <e type="operator" args="2">*</e>
          </result>
        </math>
      </region>
      <region id="58" left="198" top="1845" width="122" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">f.cd</e>
            <e type="operand">f.cd</e>
            <e type="operand" style="unit">MPa</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">35</e>
          </result>
        </math>
      </region>
      <region id="59" left="369" top="1908" width="90" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">x.min</e>
            <e type="operand">x.min</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="60" left="504" top="1908" width="90" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">y.min</e>
            <e type="operand">y.min</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="61" left="0" top="1917" width="131" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">x.v</e>
            <e type="operand">x.v</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">0</e>
            <e type="operand">140</e>
            <e type="operand">140</e>
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">mat</e>
          </result>
        </math>
      </region>
      <region id="62" left="171" top="1917" width="131" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">y.v</e>
            <e type="operand">y.v</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">0</e>
            <e type="operand">0</e>
            <e type="operand">140</e>
            <e type="operand">140</e>
            <e type="operand">0</e>
            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">mat</e>
          </result>
        </math>
      </region>
      <region id="63" left="369" top="1998" width="90" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">x.max</e>
            <e type="operand">x.max</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="64" left="504" top="1998" width="90" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">y.max</e>
            <e type="operand">y.max</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region id="65" left="324" top="2079" width="157" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">A.s</e>
            <e type="operand">A.s</e>
            <e type="operand" style="unit">mm</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>
          <result action="numeric">
            <e type="operand">113.1</e>
            <e type="operand">113.1</e>
            <e type="operand">113.1</e>
            <e type="operand">113.1</e>
            <e type="operand">4</e>
            <e type="operand">1</e>
            <e type="function" args="6">mat</e>
          </result>
        </math>
      </region>
      <region id="66" left="0" top="2088" width="131" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">x.s</e>
            <e type="operand">x.s</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">25</e>
            <e type="operand">115</e>
            <e type="operand">115</e>
            <e type="operand">25</e>
            <e type="operand">4</e>
            <e type="operand">1</e>
            <e type="function" args="6">mat</e>
          </result>
        </math>
      </region>
      <region id="67" left="171" top="2088" width="131" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
        <math>
          <input>
            <e type="operand">y.s</e>
            <e type="operand">y.s</e>
            <e type="operand" style="unit">mm</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="numeric">
            <e type="operand">25</e>
            <e type="operand">115</e>
            <e type="operand">25</e>
            <e type="operand">115</e>
            <e type="operand">4</e>
            <e type="operand">1</e>
            <e type="function" args="6">mat</e>
          </result>
        </math>
      </region>
      <region id="68" left="0" top="2205" width="677" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
        <math decimalPlaces="4">
          <input>
            <e type="operand">ε.G</e>
            <e type="operand">χ.x</e>
            <e type="operand">χ.y</e>
            <e type="operand">x</e>
            <e type="operand">y</e>
            <e type="function" args="5">ε</e>
            <e type="operand">ε.G</e>
            <e type="operand">y</e>
            <e type="operand">y.G.CLS</e>
            <e type="operator" args="2">-</e>
            <e type="bracket">(</e>
            <e type="operand">χ.x</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operand">x</e>
            <e type="operand">x.G.CLS</e>
            <e type="operator" args="2">-</e>
            <e type="bracket">(</e>
            <e type="operand">χ.y</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operator" args="2">:</e>
          </input>
          <result action="symbolic">
            <e type="operand">ε.G</e>
            <e type="operand">70</e>
            <e type="operator" args="1">-</e>
            <e type="operand">y</e>
            <e type="operator" args="2">+</e>
            <e type="bracket">(</e>
            <e type="operand">χ.x</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operand">70</e>
            <e type="operator" args="1">-</e>
            <e type="operand">x</e>
            <e type="operator" args="2">+</e>
            <e type="bracket">(</e>
            <e type="operand">χ.y</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
          </result>
        </math>
      </region>
      <region id="69" top="2250" color="#000000" bgColor="#ffffff">
        <area terminator="true" />
      </region>
    </region>
    <region id="70" left="0" top="2286" width="86" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Element #</p>
      </text>
    </region>
    <region id="71" left="198" top="2286" width="62" height="24" color="#000000" bgColor="#80ff80" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">nx</e>
          <e type="operand">14</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="72" left="297" top="2286" width="62" height="24" color="#000000" bgColor="#80ff80" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ny</e>
          <e type="operand">14</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="73" left="198" top="2322" width="166" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">dx</e>
          <e type="operand">x.max</e>
          <e type="operand">x.min</e>
          <e type="operator" args="2">-</e>
          <e type="operand">nx</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">10</e>
        </result>
      </math>
    </region>
    <region id="74" left="387" top="2322" width="166" height="47" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">dy</e>
          <e type="operand">y.max</e>
          <e type="operand">y.min</e>
          <e type="operator" args="2">-</e>
          <e type="operand">ny</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">:</e>
        </input>
        <result action="numeric">
          <e type="operand">10</e>
        </result>
      </math>
    </region>
    <region id="75" left="0" top="2331" width="160" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Element dimensions</p>
      </text>
    </region>
    <region id="76" left="0" top="2385" width="151" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="eng">
        <p>Coords of element
COG</p>
      </text>
    </region>
    <region id="77" left="198" top="2385" width="226" height="135" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">k</e>
          <e type="operand">z</e>
          <e type="function" args="2">Clear</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operand">nx</e>
          <e type="function" args="2">range</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">x.min</e>
          <e type="operand">dx</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">+</e>
          <e type="operand">dx</e>
          <e type="operand">k</e>
          <e type="operand">1</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="operator" args="2">:</e>
          <e type="function" args="3">for</e>
          <e type="operand">z</e>
          <e type="operand">1</e>
          <e type="operand">ny</e>
          <e type="function" args="2">range</e>
          <e type="operand">y</e>
          <e type="operand">z</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.min</e>
          <e type="operand">dy</e>
          <e type="operand">2</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">+</e>
          <e type="operand">dy</e>
          <e type="operand">z</e>
          <e type="operand">1</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="operator" args="2">:</e>
          <e type="function" args="3">for</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">line</e>
        </input>
      </math>
    </region>
    <region id="78" left="0" top="2529" width="93" height="26" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">x</e>
          <e type="operand">y</e>
          <e type="function" args="2">θ</e>
          <e type="operand">1</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="79" left="882" top="2529" width="87" height="261" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">x</e>
        </input>
        <result action="numeric">
          <e type="operand">5</e>
          <e type="operand">15</e>
          <e type="operand">25</e>
          <e type="operand">35</e>
          <e type="operand">45</e>
          <e type="operand">55</e>
          <e type="operand">65</e>
          <e type="operand">75</e>
          <e type="operand">85</e>
          <e type="operand">95</e>
          <e type="operand">105</e>
          <e type="operand">115</e>
          <e type="operand">125</e>
          <e type="operand">135</e>
          <e type="operand">14</e>
          <e type="operand">1</e>
          <e type="function" args="16">mat</e>
        </result>
      </math>
    </region>
    <region id="80" left="1080" top="2538" width="87" height="261" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">y</e>
        </input>
        <result action="numeric">
          <e type="operand">5</e>
          <e type="operand">15</e>
          <e type="operand">25</e>
          <e type="operand">35</e>
          <e type="operand">45</e>
          <e type="operand">55</e>
          <e type="operand">65</e>
          <e type="operand">75</e>
          <e type="operand">85</e>
          <e type="operand">95</e>
          <e type="operand">105</e>
          <e type="operand">115</e>
          <e type="operand">125</e>
          <e type="operand">135</e>
          <e type="operand">14</e>
          <e type="operand">1</e>
          <e type="function" args="16">mat</e>
        </result>
      </math>
    </region>
    <region id="81" left="0" top="2556" width="583" height="70" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int.CLS</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">y</e>
          <e type="operand">z</e>
          <e type="function" args="2">el</e>
          <e type="function" args="2">θ</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">y</e>
          <e type="operand">z</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.c</e>
          <e type="operator" args="2">*</e>
          <e type="operand">dx</e>
          <e type="operator" args="2">*</e>
          <e type="operand">dy</e>
          <e type="operator" args="2">*</e>
          <e type="operand">z</e>
          <e type="operand">1</e>
          <e type="operand">ny</e>
          <e type="function" args="4">sum</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operand">nx</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="82" left="0" top="2646" width="695" height="70" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int.CLS</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">y</e>
          <e type="operand">z</e>
          <e type="function" args="2">el</e>
          <e type="function" args="2">θ</e>
          <e type="operand">y</e>
          <e type="operand">z</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">y</e>
          <e type="operand">z</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.c</e>
          <e type="operator" args="2">*</e>
          <e type="operand">dx</e>
          <e type="operator" args="2">*</e>
          <e type="operand">dy</e>
          <e type="operator" args="2">*</e>
          <e type="operand">z</e>
          <e type="operand">1</e>
          <e type="operand">ny</e>
          <e type="function" args="4">sum</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operand">nx</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="83" left="0" top="2727" width="695" height="70" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int.CLS</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">y</e>
          <e type="operand">z</e>
          <e type="function" args="2">el</e>
          <e type="function" args="2">θ</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">x.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x</e>
          <e type="operand">k</e>
          <e type="function" args="2">el</e>
          <e type="operand">y</e>
          <e type="operand">z</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.c</e>
          <e type="operator" args="2">*</e>
          <e type="operand">dx</e>
          <e type="operator" args="2">*</e>
          <e type="operand">dy</e>
          <e type="operator" args="2">*</e>
          <e type="operand">z</e>
          <e type="operand">1</e>
          <e type="operand">ny</e>
          <e type="function" args="4">sum</e>
          <e type="operand">k</e>
          <e type="operand">1</e>
          <e type="operand">nx</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="84" left="0" top="2844" width="479" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int.As</e>
          <e type="operand">i</e>
          <e type="function" args="1">Clear</e>
          <e type="operand">arm</e>
          <e type="operand">A.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.s</e>
          <e type="operator" args="2">*</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">n.b</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="85" left="0" top="2952" width="594" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int.As</e>
          <e type="operand">i</e>
          <e type="function" args="1">Clear</e>
          <e type="operand">arm</e>
          <e type="operand">A.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.s</e>
          <e type="operator" args="2">*</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">n.b</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="86" left="0" top="3060" width="594" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int.As</e>
          <e type="operand">i</e>
          <e type="function" args="1">Clear</e>
          <e type="operand">arm</e>
          <e type="operand">A.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">x.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">x.G.CLS</e>
          <e type="operator" args="2">-</e>
          <e type="bracket">(</e>
          <e type="operator" args="2">*</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">x.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="operand">y.s</e>
          <e type="operand">i</e>
          <e type="function" args="2">el</e>
          <e type="function" args="5">ε</e>
          <e type="function" args="1">σ.s</e>
          <e type="operator" args="2">*</e>
          <e type="operand">i</e>
          <e type="operand">1</e>
          <e type="operand">n.b</e>
          <e type="function" args="4">sum</e>
          <e type="operator" args="2">*</e>
          <e type="operand">2</e>
          <e type="operand">1</e>
          <e type="function" args="4">line</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="87" left="0" top="3177" width="437" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int.CLS</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int.As</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="88" left="0" top="3222" width="476" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int.CLS</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int.As</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="89" left="0" top="3267" width="476" height="32" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int.CLS</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int.As</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="90" top="3312" color="#000000" bgColor="#ffffff">
      <area single="true" collapsed="true" />
    </region>
    <region id="91" left="0" top="3339" width="150" height="39" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x.0</e>
          <e type="operand">1.9465</e>
          <e type="operand">10</e>
          <e type="operand">3</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="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="92" left="162" top="3339" width="174" height="39" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">y.0</e>
          <e type="operand">0.0698195</e>
          <e type="operand">10</e>
          <e type="operand">3</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="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="93" left="342" top="3339" width="174" height="39" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">z.0</e>
          <e type="operand">0.0698195</e>
          <e type="operand">10</e>
          <e type="operand">3</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="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="94" left="0" top="3393" width="262" height="40" color="#000000" bgColor="#80ff80" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x.0</e>
          <e type="operand">y.0</e>
          <e type="operand">z.0</e>
          <e type="function" args="3">N.int.CLS</e>
        </input>
        <result action="numeric">
          <e type="operand">1.8471</e>
          <e type="operand">10</e>
          <e type="operand">5</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
        </result>
      </math>
    </region>
    <region id="95" left="0" top="3447" width="287" height="40" color="#000000" bgColor="#80ff80" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x.0</e>
          <e type="operand">y.0</e>
          <e type="operand">z.0</e>
          <e type="function" args="3">M.x.int.CLS</e>
        </input>
        <result action="numeric">
          <e type="operand">6.5461</e>
          <e type="operand">10</e>
          <e type="operand">6</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="1">-</e>
        </result>
      </math>
    </region>
    <region id="96" left="0" top="3510" width="287" height="40" color="#000000" bgColor="#80ff80" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x.0</e>
          <e type="operand">y.0</e>
          <e type="operand">z.0</e>
          <e type="function" args="3">M.y.int.CLS</e>
        </input>
        <result action="numeric">
          <e type="operand">6.5461</e>
          <e type="operand">10</e>
          <e type="operand">6</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="1">-</e>
        </result>
      </math>
    </region>
    <region id="97" left="0" top="3564" width="267" height="40" color="#000000" bgColor="#80ff80" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x.0</e>
          <e type="operand">y.0</e>
          <e type="operand">z.0</e>
          <e type="function" args="3">N.int.As</e>
        </input>
        <result action="numeric">
          <e type="operand">1.8492</e>
          <e type="operand">10</e>
          <e type="operand">5</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="1">-</e>
        </result>
      </math>
    </region>
    <region id="98" left="0" top="3609" width="280" height="40" color="#000000" bgColor="#80ff80" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x.0</e>
          <e type="operand">y.0</e>
          <e type="operand">z.0</e>
          <e type="function" args="3">M.x.int.As</e>
        </input>
        <result action="numeric">
          <e type="operand">1.3432</e>
          <e type="operand">10</e>
          <e type="operand">7</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="1">-</e>
        </result>
      </math>
    </region>
    <region id="99" left="324" top="3636" width="283" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
      <text lang="ita">
        <p>just like discretization example,
so no input errors</p>
      </text>
    </region>
    <region id="100" left="0" top="3654" width="280" height="40" color="#000000" bgColor="#80ff80" fontSize="10">
      <math decimalPlaces="4">
        <input>
          <e type="operand">x.0</e>
          <e type="operand">y.0</e>
          <e type="operand">z.0</e>
          <e type="function" args="3">M.y.int.As</e>
        </input>
        <result action="numeric">
          <e type="operand">1.3432</e>
          <e type="operand">10</e>
          <e type="operand">7</e>
          <e type="operator" args="2">^</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="1">-</e>
        </result>
      </math>
    </region>
    <region id="101" top="3717" color="#000000" bgColor="#ffffff">
      <area single="true" collapsed="true" />
    </region>
    <region id="102" left="0" top="3762" width="320" height="28" border="true" color="#000000" bgColor="#ffffff" fontSize="12">
      <text lang="eng">
        <p>System of equilibrium equations</p>
      </text>
    </region>
    <region id="103" left="0" top="3807" width="259" height="132" color="#000000" bgColor="#ffffff" fontSize="10">
      <math>
        <input>
          <e type="operand">F</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">N.int</e>
          <e type="operand">N.Ed</e>
          <e type="operand" style="unit">N</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">-</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.x.int</e>
          <e type="operand">M.x.Ed</e>
          <e type="operand" style="unit">N</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">-</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="function" args="3">M.y.int</e>
          <e type="operand">M.y.Ed</e>
          <e type="operand" style="unit">N</e>
          <e type="operand" style="unit">mm</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">-</e>
          <e type="operand">0</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
    </region>
    <region id="104" left="342" top="3852" width="158" height="81" color="#000000" bgColor="#ffffff" fontSize="10">
      <math decimalPlaces="1" trailingZeros="true">
        <input>
          <e type="operand">F</e>
          <e type="function" args="1">Unknowns</e>
        </input>
        <result action="symbolic">
          <e type="operand">ε.G</e>
          <e type="operand">χ.x</e>
          <e type="operand">χ.y</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
        </result>
      </math>
    </region>
    <region id="105" left="0" top="4005" width="246" height="83" color="#000000" bgColor="#ffffff" fontSize="10">
      <math error="25">
        <input>
          <e type="operand">F</e>
          <e type="operand">ε.G</e>
          <e type="operand">0.01</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">χ.x</e>
          <e type="operand">0.001</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">χ.y</e>
          <e type="operand">0.001</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">≡</e>
          <e type="operand">3</e>
          <e type="operand">1</e>
          <e type="function" args="5">mat</e>
          <e type="function" args="2">FindRoot</e>
        </input>
        <result action="numeric">
          <e type="operand">#</e>
        </result>
      </math>
    </region>
  </regions>
</worksheet>