One way, in D1:
=IF(COUNTBLANK(A1:C1)=3,"",SUM(A1:C1))

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Rgds
Max
xl 97
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Singapore, GMT+8
xdemechanik
http://savefile.com/projects/236895
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"Radman" wrote in message
...


I have 4 cells, A-D. Cell D is the "sum" cell. Cell D will show a "0"
on the spreadsheet if nothing is inputed into any of the 3 other
cells.

How do i write the formula in cell D so that the "0" does not show on
the spreadsheet until numbers are put into any or all of cells A-C?


Radman