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In Microsoft Excel, the COUNTIF() function allows you to determine the number of cells in a range whose values match a certain criterion, but it does not allow you to use criteria involving the logical operators OR or AND. This article shows you how to use SUM(IF()) as an array function to accomplish that task.
The COUNTIF() function, introduced in Excel version 5.0, provides a convenient way to count, within a range, the cells whose values match a certain criterion. For example, if a worksheet has the following values in cells A1:J1
you can type the function =COUNTIF(A1:J1, 5) in cell A3, where it produces the result 2, that being the number of cells in the range A1:J1 with the value 5.
1 6 5 1 5 2 1 8 4 7
However, if you want to count the number of cells whose values are either 5 or 1, the COUNTIF() function is not appropriate because it does not recognize compound criteria such as "5 OR 1." For that purpose, you need to use SUM(IF()) as an array function.
To obtain this result for the preceding data, follow these steps:
For more information about using SUM(IF()) as an array function, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/267982/ )How to use a logical AND or OR in a SUM+IF statement in Excel
Article ID: 275166 - Last Review: September 18, 2011 - Revision: 7.0