I want to calculate a weighted average of sales.
To do this I thought I'd need to write a COUNTIF fromula that counts cells that contain values greater than or less than zero.
The problem is that I can not get the formula to work. I had to write two seprate COUNTIF fromulas; one that counts the cells with values greater than zero and one that counts values less than zero.
Is there a way to write one COUNTIF fromula that says "count the cells that contain values greater than or less than zero"?
Thanks, Paul