title: How to find first non zero value in a column?
body: <p>in column A first value is 0, second is 0, third is 17, fourth is 0 and fifth is 32</p>
  
  <p><img src="https://i.stack.imgur.com/YNYOx.jpg" alt="calculating first non zero value in a column"></p>
  
  <p>in this case , first non zero value is 17. how to calculate it by formula</p>