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Part III: Function Reference > Information Functions

Chapter 20. Information Functions

Excel provides functions that gather specific information about your worksheet and system. Many of these functions check for error values. It is a good idea to make sure the cell contains the appropriate type of value before performing any type of calculation. The following functions are covered in detail in this chapter. The "AT" represents those functions that exist only by loading the Analysis Toolpak. See Chapter 11 for details.

CELL ISEVEN AT ISREF
ERROR.TYPE ISLOGICAL ISTEXT
INFO ISNA N
ISBLANK ISNONTEXT NA
ISERR ISNUMBER TYPE
ISERROR ISODD AT 



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