I can't really tell from your description, but this might be what you're
looking for:

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

In article ,
"Sundance" wrote:

I am trying to create a spread for my business. I am trying to get Excel to
add a number to an existing number and keep a running count then remove the
number I entered. Example say I enter 1.95 to 2.35 I can get that to add but
cannot keep adding to the first column. Any help would be appricated.