rator (at the current value of the argument x)</div>
</div>
<div class="col-first even-row-color"><code>static double</code></div>
<div class="col-second even-row-color"><span class="type-name-label">Calculus.</span><code><a href="../mathcollection/Calculus.html#forwardDifference(org.mariuszgromada.math.mxparser.Expression,double,org.mariuszgromada.math.mxparser.Argument,double)" class="member-name-link">forwardDifference</a><wbr>(<a href="../Expression.html" title="class in org.mariuszgromada.math.mxparser