hi
if i understand your post, you want c11 subtracted from d11 if c11 is
greater than or equal to 0 otherwize 0.
try this.....
=IF(OR(C110,C11=0),D11-C11,0)

post back if i misunderstood.

Regards
FSt1
"Maureen" wrote:

In cell e11 I would like to subtract cell d11-c11 unless the calue in c11 is
, or = to 0, in which case, I would like e11 to be 0. i have tried severeral
=if and sumif formulas and can't get anything to work. Any suggestions?