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      <title>Defining an NX Expression Table</title>
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      <div class="title_topic4" id="xps10_pagetitle">Defining an NX Expression Table</div>
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      <p class="para_topic"> Most Modeling spreadsheet operations require four levels of NX data definition:</p>
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            <p class="para_item">  <a class="links" href="javascript:void(0)" onclick="top.openFile('shared_func/tls_spd_mod_exptbl_data_r.html');return(false);">Data Organization</a></p>
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            <p class="para_item">  <a class="links" href="javascript:void(0)" onclick="top.openFile('shared_func/tls_spd_mod_exptbl_expnam_r.html');return(false);">Expression Names</a></p>
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            <p class="para_item">  <a class="links" href="javascript:void(0)" onclick="top.openFile('shared_func/tls_spd_mod_exptbl_exps_r.html');return(false);">Expressions</a></p>
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            <p class="para_item">  <a class="links" href="javascript:void(0)" onclick="top.openFile('shared_func/tls_spd_mod_exptbl_actv_r.html');return(false);">Active Range</a></p>
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      <p class="para_topic"> After the spreadsheet expression data has been loaded, you can save the data with the part or assembly so that it will be reloaded the next time you activate the spreadsheet.</p>
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