Hi!
If you use the default sheet names: Sheet1, Sheet2,=20
Sheet3, etc ....
Assume you want to Countif B1:B10 equals 10 on sheets 2:10
=3DSUMPRODUCT(COUNTIF(INDIRECT("Sheet"&ROW(INDIRECT("2:10"))
&"!B1:B10"),10))
If you use custom sheet names ....
List the sheet names in a range, say H1:H9
=3DSUMPRODUCT(COUNTIF(INDIRECT(H1:H9&"!B1:B10"),10))
Biff
>-----Original Message-----
>Sorry in advance for what is likely a very basic=20
question, but I would=20
>appreciate help. I have created a workbook with multiple=20
worksheets which=20
>all have the same format, but different data. For=20
example, each row=20
>represents a person, and each column represents a time=20
period. The row and=20
>column headers are the same in each worksheet, but what=20
HAPPENED in the time=20
>periods varies. I=E2?Tm trying to create a formula that=20
would look at the SAME=20
>range in each worksheet and count how many times a=20
specific variable appears,=20
>returning simply the number of occurrences. It would=20
seem to be a COUNTIF=20
>formula, but that function doesn=E2?Tt seem to like 3-D=20
references.
>
>Any ideas?????
>.
>
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