as to be zero). </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramtype">string</td><td class="paramname">$modulus</td><td></td></tr>
  </table>
  </dd>
</dl>
<p>The modulus, as an integral string (i.e. the scale has to be zero). </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramtype">int</td><td class="paramname">$scale</td><td>[optional] </td></tr>
  </table>
  </dd>
</dl>
<p>This optional parameter is used to set