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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - Nested functions return wrong values"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=111887">111887</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Nested functions return wrong values
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>5.3.1.2 release
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Calc
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>nemtudokolvasni@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=135627" name="attach_135627" title="Example test case">attachment 135627</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=135627&action=edit" title="Example test case">[details]</a></span>
Example test case

Nested ISNUMBER(), LEN(), TRUNC() functions are evaluated improperly. According
to function wizard, it's possible to get:
 * Err:502 or Err:504,
 * #VALUE!,
 * wrong type (e.g. ISNUMBER(12.16) = 5),
 * wrong value (e.g. TRUNC(12.16) = 5).

Functions can mistakenly return the result of another functions. Breaking apart
such a formula is the only solution.</pre>
        </div>
      </p>


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