It's hard to make a suggestion unless you say what "does not seem to
work" means...

Do you get an error? An incorrect value? A crash?

What is your exact formula after you substitute your "x" and "y"
variables for numbers or cell references?

In article ,
"Matt" wrote:

This does not seem to work, i am probably just doing somthing stupid. what
should i look at on the help to work through it
(thanks for the help though)