Data validation.
Look in Help.
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David Biddulph

"George" wrote in message
...
I am using the spreadsheet as a tracking mechanism, how do I format a cell
so
it will only take a certain entry. For example, the formula is set to
only
count s1 or s2 or s4. If someone hits s5 one data entry, I want the cell
to
reject it.
Thanks