ok, Tony,
>The error message indicates that a built-in
>function that is expecting to be passed a number
>is getting nil instead.
& Paul,
I changed to 4-place , still the error. The the built-in function Tony, the program did not change except the addition of the three sizes, #4,6 & 8. #6 works but the other don't.
I have attached the file
Thanks
Wayne Bork