Excel should let me refer to the same formula on multiple sheets

I

In need of help

I'm trying to refer to a "master" formula on multiple worksheets. So that
when a change needs to be made to the basic fomula, the results on the other
worksheets will be updated.
 
A

Art

Could you provide some additional details? For example what's the formula,
and how do the other sheets refer to it.

Art
 
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