ISNA

Checks whether a value is the error `#N/A`.

Sample Usage

ISNA(A2)

Syntax

ISNA(value)

• value - The value to be compared with the error value #N/A.

  *ISNA returns TRUE if value is #N/A or a reference to a cell containing #N/A and false otherwise.

Notes

• This function is most often used in conjunction with IF in conditional statements.

See Also

ISTEXT: Checks whether a value is text.

ISREF: Checks whether a value is a valid cell reference.

ISODD: Checks whether the provided value is odd.

ISNUMBER: Checks whether a value is a number.

ISNONTEXT: Checks whether a value is non-textual.

ISLOGICAL: Checks whether a value is `TRUE` or `FALSE`.

ISEVEN: Checks whether the provided value is even.

ISERROR: Checks whether a value is an error.

ISERR: Checks whether a value is an error other than `#N/A`.

ISBLANK: Checks whether the referenced cell is empty.

IF: Returns one value if a logical expression is `TRUE` and another if it is `FALSE`.

Examples