# ISERROR

## Content

This function, Is Error of Any Kind, tests whether a value, an expression or contents of a referenced cell has an error of any kind.

## Syntax

`ISERROR(cellreference)`
`ISERROR(value)`
`ISERROR(expression)`

## Arguments

[Required] 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.

## Examples

`ISERROR(B12)`
`ISERROR(R12C2)`
`ISERROR(#N/A)` gives the result TRUE
`ISERROR(#REF!)` gives the result TRUE
`ISERROR(C14)` gives the result TRUE if C14 contains a #NUM! error.