inding-type">cfunction</span>  <pre class="binding-text">(math/cosh x)

Return the hyperbolic cosine of x.</pre><a href="https://janetdocs.org/math/cosh">Community Examples</a></div><hr><div class="binding"><span id="math/e" class="binding-sym">math/e</span> <span class="binding-type">number</span>  <pre class="binding-text">The base of the natural log.</pre><a href="https://janetdocs.org/math/e">Community Examples</a></div><hr><div class="binding"><span id="math/erf" class="binding-sym">math/erf</span> <sp