Logic of this formula =SUMPRODUCT((A1:A4<"")/COUNTIF(A1:A4,A1:A4&
Can anybody explain me logic behind this formula
=SUMPRODUCT((A1:A4<"")/COUNTIF(A1:A4,A1:A4&""))
This formula will use to count the items (it will ignore the repeated items)
Please help me .
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