 </tr>
      <tr>
      	<td rowspan=2><code>toFraction</code></td>
      	<td>max denominator not an integer</td>
      	<td>Truncate to integer.<br />Ignore if not a number.</td>
      </tr>
      <tr>
      	<td>max denominator out of range</td>
      	<td>Ignore.</td>
      </tr>
      <tr>
      	<td rowspan=2><code>toPrecision</code></td>
      	<td>precision not an integer</td>
      	<td>Truncate to integer.<br />Ignore if not a number.</td>
      </tr>
      <tr>
      	<td>precision out of range</