title: Round off decimal value up to nearest 0.05 value?
body: <p>I was reading <a href="https://stackoverflow.com/questions/1448458/how-to-round-decimal-value-up-to-nearest-0-05-value">How to round decimal value up to nearest 0.05 value?</a>.</p>
  
  <p>It mentions the following stuff.</p>
  
  <pre><code>   Math.ceiling(myValue * 20) / 20
  </code></pre>
  
  <p>How does this hack work ? I mean how did we arrive at this solution?</p>