Microsoft KB Archive/213961

= HOW TO: Use SUM Function on Only Odd or Even Rows in Excel 2000 =

Article ID: 213961

Article Last Modified on 1/6/2006

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APPLIES TO


 * Microsoft Excel 2000 Standard Edition

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This article was previously published under Q213961



For a Microsoft Excel 97 and earlier version of this article, see 136738.

IN THIS TASK
SUMMARY
 * Odd Rows
 * Even Rows



SUMMARY
This step-by-step article explains how to use the SUM function on only the odd rows or the even rows in a range.

When you use any of the worksheet functions in Excel, and you have a range argument that includes either hidden rows or columns, the cells in these hidden areas are still used by the function. For example, if you have the following data in a worksheet   A1: 1 A2: 1 A3: 1 A4: =SUM(A1:A3) the SUM function in cell A4 returns a value of 3. If you then hide Row 2, the SUM function still returns a value of 3.

If you want to use the SUM function on only the odd rows or the even rows in a range, you can use the following formulas.

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Odd Rows
Enter the following formula as an array formula in cell A4:   =SUM(IF(MOD(ROW(A1:A3),2)=1,A1:A3,0)) The formula returns a value of 2.

NOTE: To enter a formula as an array formula in Excel, press CTRL+SHIFT+ENTER.

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Even Rows
Enter the following formula as an array formula in cell A4:   =SUM(IF(MOD(ROW(A1:A3),2)=0,A1:A3,0)) The formula returns a value of 1.

NOTE: If you want to hide rows for the above example, the two functions shown in this article still work as outlined.

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Keywords: kbhowtomaster KB213961

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