Thanks Joel - I'll try it................I appreciate you taking the time to
answer.

"Joel" wrote:

ABS will return a #Value if it is referencing something other than a number
such as an ascii string
1) Check to make sure there isn't a ' in front of any cells that have
numbers. These will be treated as text.
2) highlight the box that is giving the error. Look for the square box with
the !. Select show calculations steps to help find where the error is
occuring.

"slschram" wrote:

I entered the suggested ABS function (thank you!) and it worked on those
columns that have a consistent - or + on the number but the columns that have
mixed signs show "#value" instead of the sum total of the numbers......any
suggestions?