()                     // '1'
y = new BigNumber(-1.3)
y.floor()                     // '-2'</pre>



    <h5 id="neg">
      negated<code class='inset'>.neg() &rArr; <i>BigNumber</i></code>
    </h5>
    <p>
      Returns a BigNumber whose value is the value of this BigNumber negated,
      i.e. multiplied by -1.
    </p>
    <pre>
x = new BigNumber(1.8)
x.negated()                   // '-1.8'
y = new BigNumber(-1.3)
y.neg()                       // '1.3'</pre>



    <h5 id="sqrt">
      squareRoot<code cl