title: Why my formula is showing error - Inconsistent calculated column formula in MS Excel?
body: <p>My formula is showing error: <strong>Inconsistent calculated column formula</strong>. But still its working and returning result as expected.</p>
  
  <p>Formula: </p>
  
  <pre><code>=IF(B7="","",IF((MINUTE(M7))&gt;=15,TRUNC(HOUR(M7)+MINUTE(M7)/60)+1,TRUNC(HOUR(M7)+MINUTE(M7)/60)))
  </code></pre>
  
  <p>I'm using Microsoft Office 2007. Please help.</p>