S Sean Jan 14, 2008 #1 How can I express a formula that checks to see if a value is within + or - 20% from another value? Thanks
How can I express a formula that checks to see if a value is within + or - 20% from another value? Thanks
P Pete_UK Jan 14, 2008 #2 Try this: =IF(ABS((B1-A1)/A1)<=0.2,"OK","Out of tolerance") Hope this helps. Pete