ISNA Function(WS)

Description

The Microsoft Excel ISNA function can be used to check for a #N/A (value not available) error.

Syntax

The syntax for the ISNA function in Microsoft Excel is:

ISNA( value )

Parameters or Arguments

value

The value that you want to test. If value is a #N/A error value , this function will return TRUE. Otherwise, it will return FALSE.

Applies To

• Excel 2016, Excel 2013, Excel 2011 for Mac, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000

Type of Function

• Worksheet function (WS)

Example (as Worksheet Function)

Let's look at some Excel ISNA function examples and explore how to use the ISNA function as a worksheet function in Microsoft Excel:

Based on the Excel spreadsheet above, the following ISNA examples would return:

=ISNA(A1)
Result: FALSE

=ISNA(A2)
Result: TRUE

=ISNA(A3)
Result: FALSE

=ISNA(A4)
Result: FALSE

=ISNA("www.techonthenet.com")
Result: FALSE

=ISNA(3/0)
Result: FALSE