How to Use the ISLOGICAL Function in Excel

Welcome to this step-by-step guide on how to use the ISLOGICAL function in both Microsoft Excel and Google Sheets. This function is designed to determine if a given value is a logical one, specifically TRUE or FALSE.

Overview of ISLOGICAL Function

The ISLOGICAL function is a part of the logical function suite in Excel and Google Sheets. It checks whether a supplied value is a logical TRUE or FALSE.

The syntax to use the ISLOGICAL function is as follows:

=ISLOGICAL(value)
  • value: The value that you want to test for being a logical one.

Examples of Using ISLOGICAL Function

We will examine how the ISLOGICAL function can be utilized in Excel and Google Sheets through these examples:

Example 1: Checking if a Cell Contains a Logical Value

With the ISLOGICAL function, you can determine if a specific cell holds a logical value. Consider the cell A1 for this example:

Value Formula Result
TRUE =ISLOGICAL(A1) TRUE
123 =ISLOGICAL(A2) FALSE

If you place the formula =ISLOGICAL(A1) in A1, it will return TRUE because the cell contains a logical value. Conversely, in cell A2, the same formula yields FALSE as A2 does not contain a logical value.

Example 2: Using ISLOGICAL in Combination with IF Function

The ISLOGICAL function can be effectively combined with the IF function to create conditional operations based on the logic status of a value. In this example, the formula displays “Logical” if the value is a logical one, otherwise “Not Logical”:

Value Formula Result
TRUE =IF(ISLOGICAL(A1), “Logical”, “Not Logical”) Logical
123 =IF(ISLOGICAL(A2), “Logical”, “Not Logical”) Not Logical

These scenarios highlight the versatility of the ISLOGICAL function in checking for logical values effectively in both Excel and Google Sheets.

More information: https://support.microsoft.com/en-us/office/is-functions-0f2d7971-6019-40a0-a171-f2d869135665

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