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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
      <footer alignment="Center" color="#a9a9a9">&amp;[PAGENUM] / &amp;[COUNT]</footer>
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  <region id="0" left="63" top="45" width="78" height="50" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">γ</e>
        <e type="operand">19</e>
        <e type="operand" style="unit">kN</e>
        <e type="operand" style="unit">m</e>
        <e type="operand">3</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>
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    <math>
      <input>
        <e type="operand">e.ao</e>
        <e type="operand">0</e>
        <e type="operand" style="unit">kN</e>
        <e type="operand" style="unit">m</e>
        <e type="operand">3</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">/</e>
        <e type="operator" args="2">*</e>
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    <math optimize="2">
      <input>
        <e type="operand">Δh.1</e>
        <e type="operand">1.4</e>
        <e type="operand" style="unit">m</e>
        <e type="operator" args="2">*</e>
        <e type="operator" args="2">:</e>
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    <math>
      <input>
        <e type="operand">K.agh1</e>
        <e type="operand">0.326</e>
        <e type="operator" args="2">:</e>
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    <text lang="eng">
      <p>Input values</p>
    </text>
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    <math optimize="2">
      <input>
        <e type="operand">e.au</e>
        <e type="operand">e.ao</e>
        <e type="operand">Δh.1</e>
        <e type="operand">γ</e>
        <e type="operator" args="2">*</e>
        <e type="operand">K.agh1</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 id="6" left="288" top="108" width="397" height="24" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>a simple mixture of addition and multiplication</p>
    </text>
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  <region id="7" left="63" top="144" width="118" height="50" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">e.au</e>
      </input>
      <contract>
        <e type="operand" style="unit">J</e>
        <e type="operand" style="unit">m</e>
        <e type="operand">3</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">/</e>
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      <result action="symbolic">
        <e type="operand">43358</e>
        <e type="operand">5</e>
        <e type="operator" args="2">/</e>
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    <text lang="eng">
      <p>standard unit output is [J/m³]</p>
    </text>
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  <region id="9" left="288" top="198" width="416" height="40" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>if I change the unit to [Pa] a redundant fraction m³/m³ appears</p>
    </text>
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  <region id="10" left="63" top="207" width="116" height="30" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">e.au</e>
      </input>
      <contract>
        <e type="operand" style="unit">Pa</e>
      </contract>
      <result action="numeric">
        <e type="operand">8671.6</e>
      </result>
    </math>
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  <region id="11" left="288" top="252" width="449" height="56" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>if I change the unit to [kN/m²] which is the standard in civil engineering, the redundand fraction appears even in a different form</p>
    </text>
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  <region id="12" left="63" top="261" width="122" height="50" color="#000000" bgColor="#ffffff" fontSize="10">
    <math>
      <input>
        <e type="operand">e.au</e>
      </input>
      <contract>
        <e type="operand" style="unit">kN</e>
        <e type="operand" style="unit">m</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
        <e type="operator" args="2">/</e>
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      <result action="numeric">
        <e type="operand">8.6716</e>
      </result>
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  <region id="13" left="288" top="324" width="447" height="56" color="#000000" bgColor="#ffffff" fontSize="10">
    <text lang="eng">
      <p>not only, that the displayed unit above looks awkward- it can neither be combined with the intended unit for further calculation </p>
    </text>
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      <input>
        <e type="operand">e.au</e>
        <e type="operand">1</e>
        <e type="operand" style="unit">kN</e>
        <e type="operand" style="unit">m</e>
        <e type="operand">2</e>
        <e type="operator" args="2">^</e>
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        <e type="operand">9671.6</e>
        <e type="operand" style="unit">Pa</e>
        <e type="operator" args="2">*</e>
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