true in case token is a number,
 otherwise returns false</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="isNumber()">
<h3>isNumber</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isNumber</span>()</div>
</section>
</li>
<li>
<section class="detail" id="isSpecialTokenName(org.mariuszgromada.math.mxparser.parsertokens.Token)">
<h3>isSpecialTokenName</h3>
<div class="member-signature"><span class