"Bob Phillips" wrote
> That's okay for text Max, but won't work with an error result.

Yes, you're right. Thanks. Should have tested more thoroughly
Looks like we've to go the array route (similar to Aladin's 2nd formula):
=SUM(IF((Table1!J2:J5='Summary Results
PC'!B$13)*(ISNUMBER((Table1!N2:N5))),Table1!N2:N5))
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Rgds
Max
xl 97
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