config({ ROUNDING_MODE : 0 })
BigNumber.config(null, BigNumber.ROUND_UP)    // equivalent</pre>
          </dd>



          <dt id="exponential-at"><code><b>EXPONENTIAL_AT</b></code></dt>
          <dd>
            <i>number</i> : integer, magnitude <code>0</code> to 
            <code>1e+9</code> inclusive, or<br />
            <i>number</i>[] : [ integer -1e+9 to 0 inclusive, integer 0 to 1e+9
            inclusive ]<br />
            Default value: <code>[-7, 20]</code>
          </dd>
          <dd>
  