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Formula (Extended): $ISERROR Function

Overview

Return true if the argument is an error.

Syntax

$ISERROR(Value)

Parameters

Parameter Type Required Description
Value Formula Required Value, formula, or formula to check for error

Column Usable as Parameters

Parameter Classification Numerical Value Date Description Check
Value Yes Yes Yes Yes Yes

Return Value

True if an error occurs. False, Otherwise.

Return Value for Target Column

Target Return Value
Classification (including title, status, manager, owner) Display the string "True" or "False"
Numerical Value (including work volume, progression rate, remaining work volume) Do not display
Date (including start and completion) Do not display
Description (including content) Display the string "True" or "False"
Check (including lock) Check ON if true, check OFF if false

Usage Example ①

Specify parameters by screen column name (name displayed)

Formula

Formula using the $ISERROR function in usage example 1

Parameters

Parameters specified in usage example 1 of the $ISERROR function

Calculation Result

Calculation result of usage example 1 of the $ISERROR function