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      <title>Case 2</title>
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      <div class="title_topic4" id="xps10_pagetitle"> Case 2</div>
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      <p class="para_topic"> This illustrates the case of using an empirical formula. An empirical formula is a formula where the dimensionality of the right hand side purposely does not equal the dimensionality of the left-hand side. In this example, the length of a block should equal 1/5 of a specified area.</p>
      <p class="para_topic"> List of expressions (from parta.prt):</p><pre class="indent"> Area = in(in(100.0)) p2 = Area/k(5.0)</pre><p class="para_topic"> List of edited expressions (after running ug_convert_part):</p><pre class="indent"> Area = 2540 // dim 2 p2 =508 // Area/k(5.0) // VALUE ONLY // dim 1 
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