title: What's the reverse of Math Power (**) in Ruby?
body: <p>I was wondering how to get the inverse of power in Ruby?</p>
  
  <pre><code>2 ** 4 # =&gt; 16
  </code></pre>
  
  <p>and then I would like to get the inverse of it, and I'm not sure which operator to use</p>
  
  <pre><code>16 ?? 2 # =&gt; 4
  </code></pre>