"JLatham" wrote:
if A1 is numeric:
=IF(A1<0,A2,0) or =IF(A1<0,A2,"")

And what if A1 "has data", but it is zero? Rhetorical question.


and if A1 is text
=IF(A1<"",A2,0) or =IF(A1<"",A2,"")

That is also the correct way to determine if A1 "has data" that is numeric.


----- original message -----

"JLatham" wrote in message
...
if A1 is numeric:
=IF(A1<0,A2,0) or =IF(A1<0,A2,"")
and if A1 is text
=IF(A1<"",A2,0) or =IF(A1<"",A2,"")


"Derek" wrote:

I want to copy data from one cell to another, but only if a 3rd cell has
data
example
M3=A2(if A1 has data)

do i need a macro for this