You can certainly subtract any two numbers you want to. How is your sheet
laid out, and what formulae are you using that subtract all ten weeks at once?

--- "wes graham" wrote:
OK, I need to keep a record of weight loss, entering one weekly weight
at a time. The only formulas I can find only subtract all the cells at
once. I need to be able to show weekly results, not all ten weeks at
once. Any suggestions?