et-lang/spork/blob/87a2aae508a86d45363ae4cc747141847e463ee4//spork/math.janet#L183">source</a></span> <pre class="binding-text">(relative-err a e)

Gets the relative err between actual number `a`
and expected number `e`.</pre><a href="https://janetdocs.org/math/relative-err">Community Examples</a></div><hr><div class="binding"><span id="math/root-mean-square" class="binding-sym">math/root-mean-square</span> <span class="binding-type">function</span> <span class="binding-type"><a href="https://github.com/jan