title: Simple math formula verification (normalize 0-100)
body: <p>How do I normalize any given number between 0 and 100?</p>
  
  <p>The min is 0 and the max has no bounds (it's the search volume for a keyword).</p>
  
  <p><code>normalized = (x-min(x))/(max(x)-min(x))</code> won't work since I have no definition of max.</p>