# ISERR

Spread for WinForms provides advanced software components that support Excel import/export, full cell customization, an extensive calculation engine with over 450 functions and more, all with zero dependencies on Excel.

## 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 to 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 TRUEif C14 contains a #NUM! error.

## Version Available

This function is available in product version 1.0 or later.

## See Also

[ERRORTYPE](/spreadnet/docs/latest/online-formula/formulas-functionsall/formulas-functsDtoG/FunctionERRORTYPE) \| [ISERROR](/spreadnet/docs/latest/online-formula/formulas-functionsall/formulas-functsFtoK/FunctionISERROR) \| [ISNA](/spreadnet/docs/latest/online-formula/formulas-functionsall/formulas-functsFtoK/FunctionISNA) \| [Information Functions](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-functs/formulas-functtypes/formulas-functsinfo)