PERFECT!!!
Now let's try one other thing... I would like it to do the same thing if we
put in the number 0


"Gary''s Student" wrote:

=IF(OR(A1="",A2=""),"",A1+A2)

--
Gary''s Student
gsnu200709


"Dennis1188" wrote:

C1 is the sum of A1 and A2
How can I get C1 to remain empty unless there is a number in BOTH cells.