=countifrange

  1. L

    preventing duplication

    Hi I know the formula to use to prevent duplication, thanks for your help. So I went to Data Validation->custome then wrote this formula = countif($a1:$a5,a1)=1 but did not fully understand it here is my understanding This formula will be apply on all the range =countif(range,a1) =1...
  2. C

    blank (not empty) - treatment in countif statements using ""

    I have a formula that results in a number value or "" in "range" using a countif formula the following two formulas produce internally inconsistent results. There are 27 total cells that are not empty in the range. 11 result in values and 16 result in "" =countif(range,"") gives a result of 16...

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