     </dd>
          <dd>
            The rounding mode used in the above operations and by
            <a href='#round'><code>round</code></a>,
            <a href='#toE'><code>toExponential</code></a>,
            <a href='#toF'><code>toFixed</code></a> and
            <a href='#toP'><code>toPrecision</code></a>.
          </dd>
          <dd>
             The modes are available as enumerated properties of the BigNumber
             constructor.
          </dd>
           <dd>
            <pre>BigNumber.