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Excel 2003 All-in-One Desk Reference For Dummies

Understanding Error Values in Excel


Adapted From: Excel 2003 All-in-One Desk Reference For Dummies

If Excel can't properly calculate a formula that you enter in a cell, the program displays an error value in the cell as soon as you complete the formula entry. Excel uses several error values, all of which begin with the number sign (#).

Table 1 shows you the error values in Excel along with the meaning and the most probable cause for its display. To remove an error value from a cell, you must discover what caused the value to appear and then edit the formula so that Excel can complete the desired calculation.

Table 1: Error Values in Excel

Error Value

Meaning

Causes

#DIV/0

Division by zero

The division operation in your formula refers to a cell that contains the value 0 or is blank.

#N/A

No value available

Technically, this is not an error value but a special value that you can manually enter into a cell to indicate that you don't yet have a necessary value.

#NAME?

Excel doesn't recognize a name

This error value appears when you incorrectly type the range name, refer to a deleted range name, or forget to put quotation marks around a text string in a formula (causing Excel to think that you're referring to a range name).

#NULL!

You specified an intersection of two ranges whose cells don't actually intersect

Because the space is the intersection operator, this error occurs if you insert a space instead of a comma (the union operator) between ranges used in function arguments.

#NUM!

Problem with a number in the formula

This error can be caused by an invalid argument in an Excel function or a formula that produces a number too large or too small to be represented in the worksheet.

#REF!

Invalid cell reference

This error occurs when you delete a cell referred to in the formula or if you paste cells over the ones referred to in the formula.

#VALUE!

Wrong type of argument in a function or wrong type of operator

This error is most often the result of specifying a mathematical operation with one or more cells that contain text.

If a formula in your worksheet contains a reference to a cell that returns an error value, that formula returns that error value as well. This can cause error values to appear throughout the worksheet, thus making it very difficult for you to discover which cell contains the formula that caused the original error value so that you can fix the problem.

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