Information - ISNUMBER Function



Description

The ISNUMBER function returns the logical value TRUE if the specified value is a number. Otherwise returns FALSE.

Syntax

ISNUMBER (value) 

Arguments

Argument Description Required/Optional
value Refers to a number. Required

Notes

  • You can use this function to test the contents of a cell before performing a calculation.

  • In ISNUMBER, any numeric values that are enclosed in double quotation marks are treated as text and are not converted. For example, ISNUMBER ("19") returns FALSE as "19" is not converted from a text value to a number value.

Applicability

Excel 2007, Excel 2010, Excel 2013, Excel 2016

Example

ISNUMBER Function
advanced_excel_information_functions.htm
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