### Excel LN Function

This Excel Tutorial demonstrates how to use the Excel LN Function in Excel to calculate the natural logarithm to a number, with formula examples.

## LN Function Description:

The LN Function Calculates the natural logarithm of a number.

## Formula Examples: Example Formula Result
1 =LN(C5) -2.30258509299405
2 =LN(C6) -0.693147180559945
3 =LN(C7) -0.105360515657826
4 =LN(C8) 0

## Syntax and Arguments:

The Syntax for the LN Formula is:

### Function Arguments ( Inputs ):

number – A number.

Use the LN Function to calculate the natural logarithm of a number. Simply enter any number directly into the formula, or reference a cell containing a number.

## LN Examples in VBA

You can also use the LN function in VBA. Type:
`application.worksheetfunction.ln(number)`
For the function arguments (number, etc.), you can either enter them directly into the function, or define variables to use instead.

will return the natural logarithm of number 5, which is 1.6094

Also, we can use an existing cell as an input parameter, so if we enter the following VBA command

and the value in cell A1 is 4, we will get the following result: `=AND(`  