ng-sym">math/log2</span> <span class="binding-type">cfunction</span>  <pre class="binding-text">(math/log2 x)

Returns log base 2 of x.</pre><a href="https://janetdocs.org/math/log2">Community Examples</a></div><hr><div class="binding"><span id="math/nan" class="binding-sym">math/nan</span> <span class="binding-type">number</span>  <pre class="binding-text">Not a number (IEEE-754 NaN)</pre><a href="https://janetdocs.org/math/nan">Community Examples</a></div><hr><div class="binding"><span id="math/next" clas