Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Returns the natural logarithm of a number. The number must be positive, or LN returns the error value #NUM.
Syntax
LN(number)
Parameters
| Name | Required/Optional | Data Type | Description |
|---|---|---|---|
| number |
Required |
Numeric |
The number whose natural logarithm you want to find. |
Return value
Numeric
Example
LN(42)
Returns 3.7377.