Posted to microsoft.public.excel.worksheet.functions
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Count unique values across two columns with multiple conditions
Hello,
I suggest the array formula
=Pfreq(Pfreq(C5:C10,A5:A10,B5:B10))
Pfreq you can find he
http://www.sulprobil.com/html/pfreq.html
Regards,
Bernd
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