ISERROR()

Syntax. ISERROR(value)

Definition. This function returns the logical value TRUE if the value is an error value. Otherwise, the function returns FALSE.

Unlike the ISERR() function, this function returns TRUE for the #N/A error value.

Arguments

  • value (required). The expression (a number, text, a formula without an equal sign, a logical value, an error value, a reference, or a name) that you want to check.

Background. This function is one of the nine IS() functions that return a logical value depending on the argument. The argument of the IS() functions is not converted for evaluation. This means that a string consisting of a number is interpreted as a string (not as a number). IS() functions are often used together with the IF() function to ...

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