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            <p>nsol</p>
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              <p></p>
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            <e type="operand">u#</e>
            <e type="function" args="1">F#</e>
            <e type="operand">Φ#</e>
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            <e type="function" args="3">el</e>
            <e type="operand">Φ#</e>
            <e type="operand">k#</e>
            <e type="operand">3</e>
            <e type="function" args="3">el</e>
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            <e type="operand">x#</e>
            <e type="operand">n#</e>
            <e type="operand">2</e>
            <e type="function" args="3">el</e>
            <e type="operand">x#</e>
            <e type="operand">n#</e>
            <e type="operand">3</e>
            <e type="function" args="3">el</e>
            <e type="operand">1</e>
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            <p>"G" Guess<br />"E" Equation</p>
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          <content>
            <p>Solve Block Examples</p>
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            <p>Answers are </p>
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            <p>FindRoot like guessing</p>
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          <content>
            <p>Mixed guessing</p>
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        <math>
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        <math matrixOptions="0,0,6,1">
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            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
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            <e type="operand">u#</e>
            <e type="operand">2</e>
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            <e type="operand">1</e>
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            <e type="operator" args="2">-</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
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            <e type="operand">h</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
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          <content>
            <p style="font-weight: bold; color: #000080;">Square plate inertia moment</p>
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        </text>
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            <e type="operand">_</e>
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            <e type="operand">h</e>
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            <e type="operand">3</e>
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            <e type="operand">I.x</e>
            <e type="operator" args="2">≡</e>
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        </math>
      </region>
      <region left="153" top="1170" width="81" height="39" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">h</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operand">b</e>
            <e type="operator" args="2">*</e>
            <e type="operand">I.y</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="288" top="1170" width="95" height="24" color="#000000" fontSize="10">
        <text lang="eng" fontFamily="Consolas" fontSize="10">
          <content>
            <p>My notation</p>
          </content>
        </text>
      </region>
      <region left="45" top="1215" width="43" height="24" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">h</e>
            <e type="operand">2</e>
            <e type="operator" args="2">≈</e>
          </input>
        </math>
      </region>
      <region left="153" top="1215" width="43" height="24" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">b</e>
            <e type="operand">1</e>
            <e type="operator" args="2">≈</e>
          </input>
        </math>
      </region>
      <region left="18" top="1287" width="234" height="85" color="#000000" fontSize="10">
        <math matrixOptions="0,0,6,1">
          <input>
            <e type="operand">S</e>
          </input>
          <result action="symbolic">
            <e type="operand">u#</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operand">u#</e>
            <e type="operand">2</e>
            <e type="function" args="2">el</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operator" args="2">*</e>
            <e type="operand">I.x</e>
            <e type="operator" args="2">-</e>
            <e type="operand">u#</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operand">u#</e>
            <e type="operand">2</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">*</e>
            <e type="operand">I.y</e>
            <e type="operator" args="2">-</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">h</e>
            <e type="operand">b</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">1</e>
            <e type="operand">3</e>
            <e type="function" args="5">mat</e>
          </result>
        </math>
      </region>
      <region left="297" top="1296" width="65" height="24" color="#000000" fontSize="10">
        <text lang="eng" fontFamily="Consolas" fontSize="10">
          <content>
            <p>h first</p>
          </content>
        </text>
      </region>
      <region left="9" top="1377" width="235" height="99" color="#000000" bgColor="#ffffff" fontSize="10">
        <mathcadblock width="225" height="91" seqop="mat">
          <input>
            <e type="operand">S</e>
            <e type="operand">_</e>
            <e type="function" args="1">nsol</e>
            <e type="operator" args="2">:</e>
          </input>
        </mathcadblock>
      </region>
      <region left="36" top="1386" width="81" height="39" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">h</e>
            <e type="operand">b</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operator" args="2">*</e>
            <e type="operand">I.x</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="144" top="1386" width="81" height="39" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">h</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operand">b</e>
            <e type="operator" args="2">*</e>
            <e type="operand">I.y</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="36" top="1440" width="43" height="24" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">b</e>
            <e type="operand">1</e>
            <e type="operator" args="2">≈</e>
          </input>
        </math>
      </region>
      <region left="117" top="1440" width="43" height="24" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">h</e>
            <e type="operand">2</e>
            <e type="operator" args="2">≈</e>
          </input>
        </math>
      </region>
      <region left="18" top="1512" width="234" height="85" color="#000000" fontSize="10">
        <math matrixOptions="0,0,6,1">
          <input>
            <e type="operand">S</e>
          </input>
          <result action="symbolic">
            <e type="operand">u#</e>
            <e type="operand">2</e>
            <e type="function" args="2">el</e>
            <e type="operand">u#</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operator" args="2">*</e>
            <e type="operand">I.x</e>
            <e type="operator" args="2">-</e>
            <e type="operand">u#</e>
            <e type="operand">2</e>
            <e type="function" args="2">el</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operand">u#</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">*</e>
            <e type="operand">I.y</e>
            <e type="operator" args="2">-</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">b</e>
            <e type="operand">h</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">1</e>
            <e type="operand">2</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">1</e>
            <e type="operand">3</e>
            <e type="function" args="5">mat</e>
          </result>
        </math>
      </region>
      <region left="297" top="1512" width="65" height="24" color="#000000" fontSize="10">
        <text lang="eng" fontFamily="Consolas" fontSize="10">
          <content>
            <p>b first</p>
          </content>
        </text>
      </region>
      <region left="18" top="1611" width="168" height="24" color="#000080" fontSize="10">
        <text lang="eng" fontFamily="Consolas" fontSize="10">
          <content>
            <p style="color: #000080; font-weight: bold;">Momentum conservation</p>
          </content>
        </text>
      </region>
      <region left="18" top="1656" width="290" height="85" color="#000000" bgColor="#ffffff" fontSize="10">
        <mathcadblock width="280" height="77" seqop="mat">
          <input>
            <e type="operand">S</e>
            <e type="operand">_</e>
            <e type="function" args="1">nsol</e>
            <e type="operator" args="2">:</e>
          </input>
        </mathcadblock>
      </region>
      <region left="36" top="1665" width="250" height="30" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">m.1</e>
            <e type="operand">v.i1</e>
            <e type="operator" args="2">*</e>
            <e type="operand">m.2</e>
            <e type="operand">v.i2</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operand">m.1</e>
            <e type="operand">v.f1</e>
            <e type="operator" args="2">*</e>
            <e type="operand">m.2</e>
            <e type="operand">v.f2</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="36" top="1692" width="56" height="30" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">v.f1</e>
            <e type="operand">1</e>
            <e type="operator" args="2">≈</e>
          </input>
        </math>
      </region>
      <region left="27" top="1773" width="383" height="39" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">S</e>
          </input>
          <result action="symbolic">
            <e type="operand">m.1</e>
            <e type="operand">v.i1</e>
            <e type="operator" args="2">*</e>
            <e type="operand">m.2</e>
            <e type="operand">v.i2</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operand">m.1</e>
            <e type="operand">u#</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">-</e>
            <e type="operand">m.2</e>
            <e type="operand">v.f2</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">-</e>
            <e type="operand">1</e>
            <e type="operand">1</e>
            <e type="function" args="3">mat</e>
            <e type="operand">v.f1</e>
            <e type="operand">1</e>
            <e type="operand">1</e>
            <e type="function" args="3">mat</e>
            <e type="operand">1</e>
            <e type="operand">1</e>
            <e type="operand">1</e>
            <e type="function" args="3">mat</e>
            <e type="operand">1</e>
            <e type="operand">3</e>
            <e type="function" args="5">mat</e>
          </result>
        </math>
      </region>
      <region left="18" top="1845" width="212" height="24" color="#000080" fontSize="10" isBreakable="false">
        <text lang="eng" fontFamily="Consolas" fontSize="10">
          <content>
            <p style="font-weight: bold; color: #000080;">Conic and line intersection</p>
          </content>
        </text>
      </region>
      <region left="252" top="1845" width="168" height="24" color="#000000" fontSize="10">
        <text lang="eng" fontFamily="Consolas" fontSize="10">
          <content>
            <p>Parametrized solution</p>
          </content>
        </text>
      </region>
      <region left="18" top="1881" width="240" height="54" color="#000000" bgColor="#ffffc0" fontSize="10">
        <math>
          <input>
            <e type="operand">C</e>
            <e type="operand">7</e>
            <e type="operand">x</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">x</e>
            <e type="operator" args="2">*</e>
            <e type="operand">y</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operand">2</e>
            <e type="operand">y</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">4</e>
            <e type="operand">x</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operator" args="2">:</e>
            <e type="operand">r</e>
            <e type="operand">2</e>
            <e type="operand">x</e>
            <e type="operator" args="2">*</e>
            <e type="operand">3</e>
            <e type="operand">y</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">-</e>
            <e type="operand">4</e>
            <e type="operator" args="2">+</e>
            <e type="operator" args="2">:</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">sys</e>
          </input>
        </math>
      </region>
      <region left="18" top="1953" width="204" height="71" color="#000000" bgColor="#ffffff" fontSize="10">
        <mathcadblock width="194" height="63" seqop="mat">
          <input>
            <e type="operand">xo</e>
            <e type="function" args="1">S</e>
            <e type="operand">_</e>
            <e type="function" args="1">nsol</e>
            <e type="operator" args="2">:</e>
          </input>
        </mathcadblock>
      </region>
      <region left="45" top="1962" width="44" height="24" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">C</e>
            <e type="operand">0</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="135" top="1962" width="44" height="24" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">r</e>
            <e type="operand">0</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="45" top="1989" width="53" height="24" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">x</e>
            <e type="operand">xo</e>
            <e type="operator" args="2">≈</e>
          </input>
        </math>
      </region>
      <region left="135" top="1989" width="43" height="24" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">y</e>
            <e type="operand">0</e>
            <e type="operator" args="2">≈</e>
          </input>
        </math>
      </region>
      <region left="18" top="2061" width="433" height="80" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">xo</e>
            <e type="function" args="1">S</e>
          </input>
          <result action="symbolic">
            <e type="operand">u#</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operand">2</e>
            <e type="operand">2</e>
            <e type="operand">u#</e>
            <e type="operand">2</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">+</e>
            <e type="bracket">(</e>
            <e type="operator" args="2">*</e>
            <e type="operand">7</e>
            <e type="operand">u#</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="bracket">(</e>
            <e type="operator" args="2">*</e>
            <e type="operand">2</e>
            <e type="operand">u#</e>
            <e type="operand">2</e>
            <e type="function" args="2">el</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">2</e>
            <e type="operand">2</e>
            <e type="operand">u#</e>
            <e type="operand">1</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">+</e>
            <e type="bracket">(</e>
            <e type="operator" args="2">*</e>
            <e type="operand">3</e>
            <e type="operand">u#</e>
            <e type="operand">2</e>
            <e type="function" args="2">el</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">-</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">x</e>
            <e type="operand">y</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">xo</e>
            <e type="operand">0</e>
            <e type="operand">2</e>
            <e type="operand">1</e>
            <e type="function" args="4">mat</e>
            <e type="operand">1</e>
            <e type="operand">3</e>
            <e type="function" args="5">mat</e>
          </result>
        </math>
      </region>
      <region left="18" top="2160" width="95" height="24" color="#000080" fontSize="10">
        <text lang="eng" fontFamily="Consolas" fontSize="10">
          <content>
            <p style="color: #000080; font-weight: bold;">Boyle's Law</p>
          </content>
        </text>
      </region>
      <region left="18" top="2196" width="213" height="216" color="#000000" bgColor="#ffffff" fontSize="10">
        <mathcadblock width="203" height="208" seqop="mat">
          <input>
            <e type="operand">S1</e>
            <e type="operand">_</e>
            <e type="function" args="1">nsol</e>
            <e type="operator" args="2">:</e>
          </input>
        </mathcadblock>
      </region>
      <region left="288" top="2196" width="213" height="216" color="#000000" bgColor="#ffffff" fontSize="10">
        <mathcadblock width="203" height="208" seqop="mat">
          <input>
            <e type="operand">S2</e>
            <e type="operand">_</e>
            <e type="function" args="1">nsol</e>
            <e type="operator" args="2">:</e>
          </input>
        </mathcadblock>
      </region>
      <region left="36" top="2214" width="129" height="30" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">p.1</e>
            <e type="operand">p.2</e>
            <e type="operand">ρ</e>
            <e type="operand">g.e</e>
            <e type="operator" args="2">*</e>
            <e type="operand">h</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="306" top="2214" width="129" height="30" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">p.1</e>
            <e type="operand">p.2</e>
            <e type="operand">ρ</e>
            <e type="operand">g.e</e>
            <e type="operator" args="2">*</e>
            <e type="operand">h</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">+</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="36" top="2241" width="115" height="52" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">V.1</e>
            <e type="operand">4</e>
            <e type="operand">3</e>
            <e type="operator" args="2">/</e>
            <e type="operand">π</e>
            <e type="operator" args="2">*</e>
            <e type="operand">d</e>
            <e type="operand">2</e>
            <e type="operator" args="2">/</e>
            <e type="bracket">(</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="306" top="2241" width="115" height="52" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">V.1</e>
            <e type="operand">4</e>
            <e type="operand">3</e>
            <e type="operator" args="2">/</e>
            <e type="operand">π</e>
            <e type="operator" args="2">*</e>
            <e type="operand">d</e>
            <e type="operand">2</e>
            <e type="operator" args="2">/</e>
            <e type="bracket">(</e>
            <e type="operand">3</e>
            <e type="operator" args="2">^</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="36" top="2295" width="109" height="30" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">p.1</e>
            <e type="operand">V.1</e>
            <e type="operator" args="2">*</e>
            <e type="operand">p.2</e>
            <e type="operand">V.2</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="306" top="2295" width="109" height="30" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">p.1</e>
            <e type="operand">V.1</e>
            <e type="operator" args="2">*</e>
            <e type="operand">p.2</e>
            <e type="operand">V.2</e>
            <e type="operator" args="2">*</e>
            <e type="operator" args="2">≡</e>
          </input>
        </math>
      </region>
      <region left="36" top="2331" width="57" height="30" color="#000000" fontSize="10">
        <math>
          <input>
            <e type="operand">p.1</e>
            <e type="operand">10</e>
            <e type="operator" args="2">≈</e>
          </input>
        </math>
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