See J.E. McGimpsey's website on how to do this:

http://www.mcgimpsey.com/excel/accumulator.html

Scroll to the bottom of the page and look for:

"Worksheet Function Accumulator (using Circular
References)"

HTH
Jason
Atlanta, GA

-----Original Message-----
I am trying to add the values of two cells and return an
updated total to one
of the original two cells. Such as a weekly income
update.
.