# ISERR

## Content

This function, Is Error Other Than Not Available, tests whether a value, an expression or contents of a referenced cell has an error other than not available (#N/A).

## Syntax

`ISERR(cellreference)`

`ISERR(value)`

`ISERR(expression)`

## Arguments

Specify a cell reference, a numeric or text value, or an expression for the argument.

## Remarks

Use this function to test the contents of a cell, a numeric or text value directly, or a function or expression.

This function returns TRUE if the value refers to an empty cell or no data.

## Data Types

Accepts any data type for an argument. Returns Boolean (TRUE or FALSE) data.

## Examples

`ISERR(B12)`

`ISERR(R12C2)`

`ISERR(#N/A)` gives the result FALSE

`ISERR(#REF!)` gives the result TRUE

`ISERR(C14)` gives the result TRUE if C14 contains a #NUM! error.