How to use Excel ISLOGICAL Function

Introduction:-    

ISLOGICAL function in excel is an information function. It is used to find out whether cells contain a logical value or not. It returns TRUE if cell contains a logical value otherwise returns FALSE. It is a worksheet function and can be entered in the cell in which value is required.

Syntax:-

=ISLOGICAL(VALUE)

Arguments:-

  • Value:  It is the value which will be tested. It can be in form of an empty cell, an error, number, text, logical value etc.

Keynotes:-

  • Values of the arguments in ISLOGICAL function are not converted.
  • This function can be used with functions like IF function, testing outcomes, locating errors etc.

Examples

In this example, various logical values are entered in column B with some of them left without logical values, and ISLOGICAL function is used to find out which of them contain logical value and which of them do not.

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