, then the return value is the same as <code>n.toString()</code>.
    </p>
    <p>
      See <a href='#Errors'>Errors</a> for the treatment of other
      non-integer or out of range <code>significant_figures</code> values.
    </p>
    <pre>
x = 45.6
y = new BigNumber(x)
x.toPrecision()           // '45.6'
y.toPrecision()           // '45.6'
x.toPrecision(1)          // '5e+1'
y.toP(1)                  // '5e+1'
x.toPrecision(5)          // '45.600'
y.toP(5)                  // '45.600'</pre>



    <h5 id