SUMPRODUCT help

barrowb

Board Regular
Joined
Dec 15, 2011
Messages
97
I found this formula on another site to count unique values in a range, but I don't fully understand what it is doing. Can someone explain?

=SUMPRODUCT((G3:G314<>"")/COUNTIF(G3:G314,G3:G314&""))
 

Excel Facts

Which came first: VisiCalc or Lotus 1-2-3?
Dan Bricklin and Bob Frankston debuted VisiCalc in 1979 as a Visible Calculator. Lotus 1-2-3 debuted in the early 1980's, from Mitch Kapor.

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