How to use the ISLOGICAL function
Author: Oscar Cronquist Article last updated on April 17, 2018
The ISLOGICAL function returns TRUE if value is boolean. A boolean value is either TRUE or FALSE.
Formula in cell C3:
=ISLOGICAL (B3)
Excel Function Syntax
ISLOGICAL(value)
Arguments
| value | Required. The value you want to check for a boolean value. |
Comments
Note that Excel interprets a number not equal to 0 (zero) as TRUE and 0 (zero) as FALSE, for example, in a IF function. However, the ISLOGICAL function does not.
The ISLOGICAL function is very useful to identify error values in arrays. Most Excel functions return the same error value, however, this function returns FALSE if it encounters an error.
Functions in 'Information' category
The ISLOGICAL function function is one of many functions in the 'Information' category.
Gets information about the formatting, location, or the contents of a cell.
Returns a number that represents one of the error values in Excel.
Returns information about the current operating environment, file path, number of active worksheets, Excel version etc.
Returns TRUE if the argument is an empty cell, returns FALSE if not.
Returns TRUE if a cell returns an error, except error value #N/A.
Returns TRUE if a cell contains an error.
Returns TRUE if a cell contains a formula, FALSE if text, number or boolean value.
Returns TRUE if value is boolean. A boolean value is either TRUE or FALSE.
Returns TRUE if value is a #N/A error.
Returns TRUE if value is not text, also returns TRUE if cell is empty.
Checks if a value is a number, returns TRUE or FALSE.
Returns TRUE if a cell contains an odd number, FALSE if even number.
Returns TRUE if value refers to a reference.
Returns TRUE if argument is text.
Returns a value converted into a number.
Returns the error value #N/A meaning "value is not available".
Returns the sheet number of the cell reference sheet.
Returns the number of sheets in a reference.
Use TYPE to find out what type of data is returned by a function or formula.
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