title: Silverstripe Control with Pos/Interation -1
body: <p>I would like to be able to control/loop through my data to generate the following:</p>
  
  <pre><code>Loop 1 - name
  Loop 2 - name1
  Loop 3 - name2
  - etc
  </code></pre>
  
  <p>I know I could use the Pos within a control although I need this to start at 0. If only I could do a simple math calculation within the SS template. I can't think how I could achieve this. </p>