What is IMLN function in Excel?
The IMLN function is one of the Engineering functions of Excel.
It Returns the natural logarithm of a complex number.
We can find this function in Engineering category of the insert function Tab.
How to use IMLN function in excel
- Click on an empty cell (like F5).

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

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

4. Select ENGINEERING category.
5. Select IMLN function
6. Then select ok.

7. In the function arguments Tab you will see IMLN function.
8. Inumber section is a complex number for which you want the natural logarithm.
9. You will see the results in the formula result section.

Examples of IMLN function in Excel

IMLN related functions
- Use LN function to return the natural logarithm of a number.