tive-err" class="binding-sym">math/relative-err</span> <span class="binding-type">function</span> <span class="binding-type"><a href="https://github.com/janet-lang/spork/blob/7fd743ac09e857fe0ebd333bd7a56cd0df3876c3//spork/math.janet#L191">source</a></span> <pre class="binding-text">(relative-err a e)

Gets the relative err between actual number `a`
and expected number `e`.</pre></div><hr><div class="binding"><span id="math/root-mean-square" class="binding-sym">math/root-mean-square</span> <span class="bind