Excel BESSELI Function

What is BESSELI function in Excel?


The BESSELI function is one of the Engineering functions of Excel.

It Returns the modified Bessel function In(x).

We can find this function in Engineering category of insert function Tab.

How to use BESSELI function in excel

  1. Click on an empty cell (like F5 ).
an empty cell in excel

2. Click on the fx icon (or press shift+F3).

fx icon in excel

3. In the insert function tab you will see all functions.

insert tab in abs function in excel

4. Select Engineering category.

5. Select BESSELI function.

6. Then select ok.

excel BESSELI function

7. In the function arguments Tab you will see BESSELI function.

8. X section is the value at which to evaluate the function.

9. N section is the order of the Bessel function.

10. You will see the results in the formula result section.

How to use BESSELI function in excel

Examples of BESSELI function in Excel

Example 1:

How to use BESSELI function in excel

You can see examples of BESSELI function below:

Examples of BESSELI function in Excel
besseli(A2,B2) ----->>>>answer is  0.0008

besseli(A3,B3) ----->>>>answer is  1.661

besseli(A4,B4) ----->>>>answer is  -9.759

besseli(A5,B5) ----->>>>answer is  71.033

Purpose of BESSELI function

It Returns the modified Bessel function In(x).

Return value of BESSELI function

It returns a number.

Arguments of BESSELI function

This function has just 2 Argument.

The argument of BESSELI function is number.

X section is the value at which to evaluate the function.

N section is the order of the Bessel function.

The argument of BESSELI function is required and not optional.

BESSELI(number) = number

Version of excel supports BESSELI function

This function is available for all excel versions (2003-2019)

Errors in BESSELI function

BESSELI related functions 

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