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      <area collapsed="true">
        <title lang="spa">
          <content>
            <p>Unknowns</p>
          </content>
        </title>
      </area>
      <region left="54" top="45" width="593" height="214" color="#000000" fontSize="10">
        <math optimize="2">
          <description active="true" position="Top" lang="spa">
            <content>
              <p>ASCII characters strings.</p>
            </content>
          </description>
          <input>
            <e type="operand">No</e>
            <e type="function" args="1" style="unit">N\0024\</e>
            <e type="operand">N\0024\</e>
            <e type="operand" style="string"></e>
            <e type="operator" args="2">:</e>
            <e type="operand">N</e>
            <e type="operand" style="string">0123456789ABCDEF</e>
            <e type="operator" args="2">:</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="function" args="4">mat</e>
            <e type="operand">k</e>
            <e type="operand">1</e>
            <e type="operand">No</e>
            <e type="bracket">(</e>
            <e type="function" args="2">range</e>
            <e type="operand">c</e>
            <e type="operand">k</e>
            <e type="operator" args="2">:</e>
            <e type="operand">h</e>
            <e type="operand" style="string">\</e>
            <e type="operator" args="2">:</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="function" args="4">mat</e>
            <e type="operand">c</e>
            <e type="operand">0</e>
            <e type="operator" args="2">≠</e>
            <e type="operand">m</e>
            <e type="operand">c</e>
            <e type="operand">16</e>
            <e type="function" args="2">mod</e>
            <e type="operator" args="2">:</e>
            <e type="operand">h</e>
            <e type="operand">N</e>
            <e type="operand">m</e>
            <e type="operand">1</e>
            <e type="operator" args="2">+</e>
            <e type="operand">1</e>
            <e type="function" args="3">substr</e>
            <e type="operand">h</e>
            <e type="function" args="2">concat</e>
            <e type="operator" args="2">:</e>
            <e type="operand">c</e>
            <e type="operand">c</e>
            <e type="operand">m</e>
            <e type="operator" args="2">-</e>
            <e type="operand">16</e>
            <e type="operator" args="2">/</e>
            <e type="operator" args="2">:</e>
            <e type="operand">3</e>
            <e type="operand">1</e>
            <e type="function" args="5">line</e>
            <e type="function" args="2">while</e>
            <e type="operand">N\0024\</e>
            <e type="operand">N\0024\</e>
            <e type="operand" style="string">\</e>
            <e type="operand" style="string">0000</e>
            <e type="operand">1</e>
            <e type="operand">5</e>
            <e type="operand">h</e>
            <e type="function" args="1">strlen</e>
            <e type="operator" args="2">-</e>
            <e type="function" args="3">substr</e>
            <e type="operand">h</e>
            <e type="function" args="3">concat</e>
            <e type="function" args="2">concat</e>
            <e type="operator" args="2">:</e>
            <e type="operand">3</e>
            <e type="operand">1</e>
            <e type="function" args="5">line</e>
            <e type="function" args="3">for</e>
            <e type="operand">N\0024\</e>
            <e type="operand">3</e>
            <e type="operand">1</e>
            <e type="function" args="5">line</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region left="54" top="297" width="149" height="37" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand" style="unit">N\0024\</e>
            <e type="operand">2</e>
            <e type="operand">10</e>
            <e type="operator" args="2">^</e>
            <e type="function" args="1" style="unit">N\0024\</e>
            <e type="function" args="1">eval</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region left="279" top="297" width="108" height="23" color="#000000" fontSize="10" isBreakable="false">
        <text lang="eng" fontFamily="Arial" fontSize="10">
          <content>
            <p>It could be 2^16</p>
          </content>
        </text>
      </region>
      <region left="54" top="342" width="631" height="367" color="#000000" fontSize="10">
        <math>
          <description active="true" position="Top" lang="spa">
            <content>
              <p>CSort(M,c) sorts the matrix M by the string elements in the column c.</p>
            </content>
          </description>
          <input>
            <e type="operand">M</e>
            <e type="operand">C</e>
            <e type="function" args="2">CSort</e>
            <e type="operand">x</e>
            <e type="operand">k</e>
            <e type="function" args="2">F</e>
            <e type="operand" style="unit">N\0024\</e>
            <e type="operand">x</e>
            <e type="operand">k</e>
            <e type="operand">1</e>
            <e type="function" args="3">substr</e>
            <e type="function" args="2">findstr</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">:</e>
            <e type="operand">a</e>
            <e type="operand">b</e>
            <e type="function" args="2">C\0024\</e>
            <e type="operand">A</e>
            <e type="operand">a</e>
            <e type="function" args="1">strlen</e>
            <e type="operator" args="2">:</e>
            <e type="operand">B</e>
            <e type="operand">b</e>
            <e type="function" args="1">strlen</e>
            <e type="operator" args="2">:</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="function" args="4">mat</e>
            <e type="operand">k</e>
            <e type="operand">1</e>
            <e type="operand">A</e>
            <e type="operand">B</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="function" args="4">mat</e>
            <e type="function" args="1">min</e>
            <e type="function" args="2">range</e>
            <e type="operand">ans</e>
            <e type="operand">a</e>
            <e type="operand">k</e>
            <e type="function" args="2">F</e>
            <e type="operand">b</e>
            <e type="operand">k</e>
            <e type="function" args="2">F</e>
            <e type="operator" args="2">-</e>
            <e type="function" args="1">sign</e>
            <e type="operator" args="2">:</e>
            <e type="bracket">(</e>
            <e type="operand">0</e>
            <e type="operator" args="2">≠</e>
            <e type="operand">break</e>
            <e type="function" args="2">if</e>
            <e type="function" args="3">for</e>
            <e type="operand">ans</e>
            <e type="operand">0</e>
            <e type="operator" args="2">≡</e>
            <e type="operand">A</e>
            <e type="operand">B</e>
            <e type="operator" args="2">-</e>
            <e type="function" args="1">sign</e>
            <e type="operand">ans</e>
            <e type="function" args="3">if</e>
            <e type="operand">3</e>
            <e type="operand">1</e>
            <e type="function" args="5">line</e>
            <e type="operator" args="2">:</e>
            <e type="operand">n</e>
            <e type="operand">M</e>
            <e type="function" args="1">rows</e>
            <e type="operator" args="2">:</e>
            <e type="operand">v</e>
            <e type="operand">1</e>
            <e type="operand">n</e>
            <e type="function" args="2">range</e>
            <e type="operator" args="2">:</e>
            <e type="operand">r</e>
            <e type="operand">v</e>
            <e type="operator" args="2">:</e>
            <e type="operand">c</e>
            <e type="operand">1</e>
            <e type="operand">M</e>
            <e type="function" args="1">cols</e>
            <e type="function" args="2">range</e>
            <e type="operator" args="2">:</e>
            <e type="operand">V</e>
            <e type="operand">M</e>
            <e type="operand">C</e>
            <e type="function" args="2">col</e>
            <e type="operator" args="2">:</e>
            <e type="operand">A</e>
            <e type="operand">M</e>
            <e type="operator" args="2">:</e>
            <e type="operand">1</e>
            <e type="operand">6</e>
            <e type="function" args="8">mat</e>
            <e type="operand">k</e>
            <e type="operand">2</e>
            <e type="operator" args="2">:</e>
            <e type="operand">k</e>
            <e type="operand">n</e>
            <e type="operator" args="2">≤</e>
            <e type="operand">k</e>
            <e type="operand">k</e>
            <e type="operand">1</e>
            <e type="operator" args="2">+</e>
            <e type="operator" args="2">:</e>
            <e type="operand">j</e>
            <e type="operand">k</e>
            <e type="operator" args="2">:</e>
            <e type="operand">j</e>
            <e type="operand">1</e>
            <e type="operator" args="2">&gt;</e>
            <e type="bracket">(</e>
            <e type="operand">V</e>
            <e type="operand">v</e>
            <e type="operand">j</e>
            <e type="operand">1</e>
            <e type="operator" args="2">-</e>
            <e type="function" args="2">el</e>
            <e type="function" args="2">el</e>
            <e type="operand">V</e>
            <e type="operand">v</e>
            <e type="operand">j</e>
            <e type="function" args="2">el</e>
            <e type="function" args="2">el</e>
            <e type="function" args="2">C\0024\</e>
            <e type="operand">1</e>
            <e type="operator" args="2">≡</e>
            <e type="bracket">(</e>
            <e type="operator" args="2">&amp;</e>
            <e type="operand">tmp</e>
            <e type="operand">v</e>
            <e type="operand">j</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">:</e>
            <e type="operand">v</e>
            <e type="operand">j</e>
            <e type="function" args="2">el</e>
            <e type="operand">v</e>
            <e type="operand">j</e>
            <e type="operand">1</e>
            <e type="operator" args="2">-</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">:</e>
            <e type="operand">v</e>
            <e type="operand">j</e>
            <e type="operand">1</e>
            <e type="operator" args="2">-</e>
            <e type="function" args="2">el</e>
            <e type="operand">tmp</e>
            <e type="operator" args="2">:</e>
            <e type="operand">j</e>
            <e type="operand">j</e>
            <e type="operand">1</e>
            <e type="operator" args="2">-</e>
            <e type="operator" args="2">:</e>
            <e type="operand">1</e>
            <e type="operand">4</e>
            <e type="function" args="6">mat</e>
            <e type="function" args="2">while</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">line</e>
            <e type="function" args="4">for</e>
            <e type="operand">A</e>
            <e type="operand">r</e>
            <e type="operand">c</e>
            <e type="function" args="3">el</e>
            <e type="operand">M</e>
            <e type="operand">v</e>
            <e type="operand">r</e>
            <e type="function" args="2">el</e>
            <e type="operand">c</e>
            <e type="function" args="3">el</e>
            <e type="operator" args="2">:</e>
            <e type="operand">5</e>
            <e type="operand">1</e>
            <e type="function" args="7">line</e>
            <e type="operator" args="2">:</e>
          </input>
        </math>
      </region>
      <region left="657" top="621" width="15" height="23" color="#000000" fontSize="10" isBreakable="false">
        <text lang="eng" fontFamily="Arial" fontSize="10" />
      </region>
      <region left="54" top="738" width="632" height="562" color="#000000" fontSize="10">
        <math>
          <description active="true" position="Top" lang="eng">
            <content>
              <p>Unknowns in the expression X</p>
            </content>
          </description>
          <input>
            <e type="operand">X#</e>
            <e type="function" args="1">Unk</e>
            <e type="operand">s#</e>
            <e type="operand">X#</e>
            <e type="function" args="1">num2str</e>
            <e type="operand" style="string">{</e>
            <e type="operand" style="string">(</e>
            <e type="function" args="3">strrep</e>
            <e type="operand" style="string">}</e>
            <e type="operand" style="string">)</e>
            <e type="function" args="3">strrep</e>
            <e type="function" args="1">eval</e>
            <e type="operator" args="2">:</e>
            <e type="operand">s#</e>
            <e type="operand">s#</e>
            <e type="operand" style="string">(</e>
            <e type="operand" style="string">(Π#(</e>
            <e type="function" args="3">strrep</e>
            <e type="operand" style="string">)</e>
            <e type="operand" style="string">,U#))</e>
            <e type="function" args="3">strrep</e>
            <e type="operator" args="2">:</e>
            <e type="operand">s#</e>
            <e type="operand">s#</e>
            <e type="operand" style="string">-</e>
            <e type="operand" style="string">+'NEG*</e>
            <e type="function" args="3">strrep</e>
            <e type="operator" args="2">:</e>
            <e type="operand">k#</e>
            <e type="operand" style="string">+</e>
            <e type="operand" style="string">*</e>
            <e type="operand" style="string">/</e>
            <e type="operand" style="string">^</e>
            <e type="operand">1</e>
            <e type="operand">4</e>
            <e type="function" args="6">mat</e>
            <e type="operand">s#</e>
            <e type="operand">s#</e>
            <e type="operand">k#</e>
            <e type="operand" style="string">&lt;</e>
            <e type="function" args="3">strrep</e>
            <e type="operator" args="2">:</e>
            <e type="function" args="3">for</e>
            <e type="operand">S#</e>
            <e type="operand">s#</e>
            <e type="function" args="1">str2num</e>
            <e type="operator" args="2">:</e>
            <e type="operand">SO#</e>
            <e type="operand">0</e>
            <e type="operator" args="2">:</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="function" args="4">mat</e>
            <e type="operand">SO#</e>
            <e type="function" args="1">num2str</e>
            <e type="operand">S#</e>
            <e type="function" args="1">num2str</e>
            <e type="operator" args="2">≠</e>
            <e type="operand">S#</e>
            <e type="operand">SO#</e>
            <e type="operand">S#</e>
            <e type="operator" args="2">:</e>
            <e type="operand">a#</e>
            <e type="operand">b#</e>
            <e type="operator" args="2">&lt;</e>
            <e type="operand">a#</e>
            <e type="operand">b#</e>
            <e type="operand">U#</e>
            <e type="function" args="3">Π#</e>
            <e type="function" args="3">equrep</e>
            <e type="operator" args="2">:</e>
            <e type="function" args="2">while</e>
            <e type="operand">U#</e>
            <e type="operand">0</e>
            <e type="operand">1</e>
            <e type="function" args="2">matrix</e>
            <e type="function" args="1">eval</e>
            <e type="operator" args="2">:</e>
            <e type="operand">X#</e>
            <e type="operand">U#</e>
            <e type="function" args="2">Π#</e>
            <e type="operand">U#</e>
            <e type="operand">U#</e>
            <e type="function" args="1">rows</e>
            <e type="operand">1</e>
            <e type="operator" args="2">+</e>
            <e type="function" args="2">el</e>
            <e type="operand">X#</e>
            <e type="operator" args="2">:</e>
            <e type="operand">X#</e>
            <e type="function" args="1">Πo#</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">line</e>
            <e type="operator" args="2">:</e>
            <e type="operand">X#</e>
            <e type="operand">Y#</e>
            <e type="operand">U#</e>
            <e type="function" args="3">Π#</e>
            <e type="operand">X#</e>
            <e type="operand">U#</e>
            <e type="function" args="2">Π#</e>
            <e type="operand">Y#</e>
            <e type="operand">U#</e>
            <e type="function" args="2">Π#</e>
            <e type="function" args="2">Πo#</e>
            <e type="operand">1</e>
            <e type="operand">1</e>
            <e type="function" args="3">line</e>
            <e type="operator" args="2">:</e>
            <e type="operand">dummy</e>
            <e type="operand">S#</e>
            <e type="operator" args="2">:</e>
            <e type="operand">U#</e>
            <e type="function" args="1">num2str</e>
            <e type="operand" style="string">mat(0,1)</e>
            <e type="operator" args="2">≡</e>
            <e type="operand">U#</e>
            <e type="operand">X#</e>
            <e type="operand">1</e>
            <e type="operand">1</e>
            <e type="function" args="3">mat</e>
            <e type="operator" args="2">:</e>
            <e type="function" args="2">if</e>
            <e type="operand">USTR#</e>
            <e type="operand">U#</e>
            <e type="function" args="1">num2str</e>
            <e type="function" args="1">vectorize</e>
            <e type="operator" args="2">:</e>
            <e type="operand">n#</e>
            <e type="operand">0</e>
            <e type="operator" args="2">:</e>
            <e type="operand">UO#</e>
            <e type="operand">0</e>
            <e type="operator" args="2">:</e>
            <e type="operand">1</e>
            <e type="operand">3</e>
            <e type="function" args="5">mat</e>
            <e type="operand">k#</e>
            <e type="operand">1</e>
            <e type="operand">USTR#</e>
            <e type="function" args="1">rows</e>
            <e type="function" args="2">range</e>
            <e type="operand">u#</e>
            <e type="operand">U#</e>
            <e type="operand">k#</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">:</e>
            <e type="operand">uo#</e>
            <e type="operand">USTR#</e>
            <e type="operand">k#</e>
            <e type="function" args="2">el</e>
            <e type="function" args="1">eval</e>
            <e type="operand" style="string">&lt;</e>
            <e type="operand" style="string"></e>
            <e type="function" args="3">strrep</e>
            <e type="operator" args="2">:</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="function" args="4">mat</e>
            <e type="operand">uo#</e>
            <e type="operand" style="string">Πo#(</e>
            <e type="function" args="2">findstr</e>
            <e type="operand">1</e>
            <e type="operator" args="1">-</e>
            <e type="operator" args="2">≡</e>
            <e type="bracket">(</e>
            <e type="operand">u#</e>
            <e type="function" args="1">IsDefined</e>
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            <e type="operand">1</e>
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            <e type="operand">UO#</e>
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            <e type="operand">UO#</e>
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            <e type="operator" args="2">:</e>
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        <area terminator="true" />
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    <region left="99" top="1350" width="420" height="65" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">A</e>
          <e type="operand">a</e>
          <e type="operand">x.2</e>
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          <e type="operand">7</e>
          <e type="operand" style="unit">Blue</e>
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          <e type="operand">α</e>
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          <e type="function" args="1">g</e>
          <e type="function" args="1">sin</e>
          <e type="operand">xo</e>
          <e type="operand">α</e>
          <e type="operator" args="2">*</e>
          <e type="operand">u</e>
          <e type="operand">4</e>
          <e type="function" args="2">el</e>
          <e type="function" args="1">h</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">*</e>
          <e type="operand">x</e>
          <e type="operand" style="unit">kg</e>
          <e type="operator" args="2">*</e>
          <e type="function" args="1">f</e>
          <e type="operand">2</e>
          <e type="operator" args="1">-</e>
          <e type="operator" args="2">^</e>
          <e type="operand">b</e>
          <e type="operator" args="1">-</e>
          <e type="operand">1</e>
          <e type="function" args="2">el</e>
          <e type="operand">b</e>
          <e type="operand">2</e>
          <e type="function" args="2">el</e>
          <e type="operand">a</e>
          <e type="function" args="2">atan</e>
          <e type="function" args="1">ln</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">/</e>
          <e type="operator" args="2">+</e>
          <e type="operator" args="2">:</e>
        </input>
      </math>
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    <region left="99" top="1422" width="110" height="142" color="#000000" fontSize="10">
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        <input>
          <e type="operand">A</e>
          <e type="function" args="1">Unk</e>
        </input>
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          <e type="operand">a</e>
          <e type="operand">b</e>
          <e type="operand">u</e>
          <e type="operand">x</e>
          <e type="operand">x.2</e>
          <e type="operand">xo</e>
          <e type="operand">α</e>
          <e type="operand">7</e>
          <e type="operand">1</e>
          <e type="function" args="9">mat</e>
        </result>
      </math>
    </region>
    <region left="288" top="1422" width="148" height="142" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">A</e>
          <e type="function" args="1">Unknowns</e>
        </input>
        <result action="symbolic">
          <e type="operand">a</e>
          <e type="operand">b</e>
          <e type="operand">u</e>
          <e type="operand">x</e>
          <e type="operand">x.2</e>
          <e type="operand">xo</e>
          <e type="operand">α</e>
          <e type="operand">7</e>
          <e type="operand">1</e>
          <e type="function" args="9">mat</e>
        </result>
      </math>
    </region>
    <region left="99" top="1575" width="137" height="26" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">3</e>
          <e type="operator" args="1">-</e>
          <e type="operand">π</e>
          <e type="operand">i</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="function" args="1">Unk</e>
        </input>
        <result action="symbolic">
          <e type="operand">0</e>
        </result>
      </math>
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    <region left="288" top="1575" width="175" height="26" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">3</e>
          <e type="operator" args="1">-</e>
          <e type="operand">π</e>
          <e type="operand">i</e>
          <e type="operator" args="2">*</e>
          <e type="operator" args="2">+</e>
          <e type="function" args="1">Unknowns</e>
        </input>
        <result action="numeric">
          <e type="operand">0</e>
        </result>
      </math>
    </region>
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      <math>
        <input>
          <e type="operand">Alvaro</e>
        </input>
      </math>
    </region>
    <region left="369" top="1638" width="257" height="26" color="#000000" fontSize="10">
      <math>
        <input>
          <e type="operand">4</e>
          <e type="function" args="1">appVersion</e>
        </input>
        <result action="numeric">
          <e type="operand" style="string">1.0.8348.30405</e>
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</worksheet>