Modify a Formula

C

carl

Hi.

I use this formula:

=COUNTIF(I5:I40;TRUE)/COUNTA(I5:I40)

I would like to modify it so that the value I put in Cell A1 (eg 100) will
change the formula to this:

=COUNTIF(I5:I100;TRUE)/COUNTA(I5:I100)

Thank you in advance.
 
T

T. Valko

Try this...

=COUNTIF(I5:INDEX(I:I,A1),TRUE)/COUNTA(I5:INDEX(I:I,A1))

Note that if A1 is an empty cell the formula will calculate the entire
column I.
 
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