sum numbers only when a named cell is not zero

C

Cheryl McHarg

In my spreadsheet, I need cell L10 to sum cells ( M10-P10) if P10 does not
equal zero. P10 is a formula=+n10+O10.
 
B

Bryan Hessey

Cheryl,

try

=if($P$10<>0,sum(M10:p10),"")

or

=if($P$10<>0,sum(M10:p10),0)

to reflect a zero.
 
J

JE McGimpsey

One way:

=IF(P10<>0,SUM(M10:p10),"")

Given P10's formula, it could also be

=IF(P10<>0, 2*P10+M10,"")

or, if you want to return 0 instead of a null string:

=(P10<>0)*(2*P10+M10)


Note that the first "+" in your formula is superfluous.
 
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