Try something like this:

=IF(C1<"Y","",B1*E1)

Copy down as needed.

Biff

"Caroline" wrote in message
...
I have 3 colomns and a few rows.
I need to look up colomn C where it has either "N" for no or "Y" for yes.
I need a formula where if it says yes, then I need it to grab a number on
column B and multiply it by a specific tax %. If it is a no, just to leave
it
alone.

So it looks like this
Tax is E1
A B C D
-------------------------------------------------------------
Company name 100 N
Company B 300 Y answer (E1*B