ISNA

Description

Determines if the specified expression returns the value not available error.

Syntax

ISNA ( expression )

Parameter Description
expression Any expression.

Remarks

If the expression returns the #N/A! error, ISNA returns True. Otherwise, returns False.

Examples

This function returns True if cell S1 contains the NA ( ) function or returns the error value #N/A!:

ISNA(S1)

See also

ISBLANK

ISERROR

ISLOGICAL

ISNONTEXT

ISNUMBER

ISTEXT