Whit, try this,
=IF(A1+A20,A1+A2,"")

--
Paul B
Always backup your data before trying something new
Please post any response to the newsgroups so others can benefit from it
Feedback on answers is always appreciated!
Using Excel 2002 & 2003

"Whit" wrote in message
...
I want A3 to =A1+A2, but how can I make A3 remain blank if it doesn't meet
a
certain condition such as 0.

Whit