ISNUMBER in Excel

ISNUMBER in excel is a logical function in excel which we use to find out that if the target or the cell being referred to is blank or not, the method of using this function is =ISNUMBER ( Reference Cell) the argument reference cell is the cell which we want to check or identify, if we have for example =ISNUMBER (T1XT) the output is false as the argument does not only has numbers in it.

ISNUMBER Function in Excel (Table of Contents)

• ISNUMBER Function Excel
• ISNUMBER Formula
• How to Use?

ISNUMBER in Excel

The “ISNUMBER” function is a very interesting function in Excel. It is used for the purpose of detecting the numeric values in Excel and VBA programming. The purpose of this function is to identify whether there is a numeric value in any cell or return value of a formula. If this function finds a numerical value, then it returns TRUE otherwise it returns FALSE.

So with the help of this function experts can easily deal with numeric values and can use this Excel function as a flag to identify numbers.

ISNUMBER Formula

Below is the ISNUMBER Formula excel.

Parameters

As it is clear from the syntax shown above the ISNUMBER Formula excel has only one parameter which is explained below:

Value: The “Value” parameter is quite flexible, it can be another function or formula, a cell or a value in need of testing to be numeric.

The Formula excel returns:

True: If “Value” parameter is a number or numerical,

False: If the “Value” parameter is not a number or numerical.

This will be much clearer from the  following ISNUMBER function examples explained in the next section

How to Use the ISNUMBER Function in Excel?

In this section, we will understand the uses of this function and will la ook at few examplethe s with help of actual data.

It is really easy to use, and as explained in the previous section, ISNUMBER function uses only one mandatory parameter.

Example #1

In this ISNUMBER function example, we will check few values, and test the behavior of ISNUMBER function.

Example #2

In this example, we will use some other functions as parameters for ISNUMBER function.

Things to Remember

1. It can be used as a worksheet function.
2. It returns a Boolean value (TRUE or FALSE).
3. This function is a part of a group of functions of Excel, which is called “IS Functions” group.

ISNUMBER in Excel Video

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