Look he

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

--
Kind regards,

Niek Otten
Microsoft MVP - Excel

"marklessexcel" wrote in message
...
i want cells a & B to be incoming and out going numbers and cell c to
total
accordingly. i have that part but want a & b cells to be reinputted
band
total change with new inputs so that total continues to grow or shrink
with
each new imput want to reuse same a & B cell agian and agian