If you see the formula, then the cell could be formatted as text.

So reformat that cell as General (or anything but text) and reenter the formula
(that's important!).

Or you could be looking at formulas. Ctrl-` (ctrl-backquote, to the left of the
1/! on my USA keyboard) is a way to toggle this (like Eduardo wrote).

If your values aren't really number, then the count could be zero.

If you try =counta(A1:A10) (adjust the range to match), do you get a non-zero
result?

If yes, then your numbers aren't really numbers.

Depending on the problem (extra whitespace) or values entered after the cell has
been formatted as Text or even formulas that return text:

=if(x99="a","1","2")

Then the fix will be different.

Carolyn wrote:

The count function is not working in one of my workbooks. It works in others
and in new ones. The workbook it is not working in was created last week.
It returns either zero or shows the function formula in the cell even though
calculate is set at automatic.

Carolyn

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Dave Peterson