# LN

## Content

This function returns the natural logarithm of the specified number.

## Syntax

`LN(value)`

## Arguments

[Required] The positive real number for which you want the natural logarithm.

## Remarks

This function is the inverse of EXP, so LN(EXP(x)) is x.

## Examples

`LN(B3)`
`LN(R1C2)`
`LN(10)` gives the result 2.302585093
`LN(exp(1))` gives the result 1