d>
      	<td>Ignore.</td>
      </tr>
      <tr>
      	<td>
          <code>ERRORS</code> not a boolean<br />
          or binary digit
        </td>
      	<td>Ignore.</td>
      </tr>
      <tr>
      	<td rowspan=2><code>toPower</code></td>
      	<td>exponent not an integer</td>
      	<td>Truncate to integer.<br />Substitute <code>NaN</code> if not a number.</td>
      </tr>
       <tr>
      	<td>exponent out of range</td>
      	<td>Substitute <code>&plusmn;Infinity</code>.
        </td>
      </tr