In C1 enter:
=A1-B1

copy this cell and paste it down the column.
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Gary''s Student - gsnu200782


"Jill" wrote:

how do I set up Excel spreadsheet to auto calculate the difference , like
c1=a1-b1, I want the whole column to do it, so when i enter values in like
a1,a2, a3, etc, it automatically calculates the difference.