Thread: How many 'unique' customers has everyone been involved with?
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Bernd P Bernd P is offline
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Default How many 'unique' customers has everyone been involved with?
Hello,

Or array-enter into a sufficiently long area with 2 columns:
=Pfreq(Pfreq(A1:A20,B1:B20))

Pfreq you can get he
http://sulprobil.com/html/pfreq.html

Regards,
Bernd
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