Returns the natural logarithm of the specified number.

Syntax  Copy Code
LN( Number n ) → Number

Parameters

n

Required. The number for which to find the natural logarithm. Must be a positive value.

Remarks

If n is negative or zero, the function returns the #NUM! error value.

Example

Formula  Copy Code
=LN(5)

See Also

Function Reference
EXP Function
LOG Function
LOG10 Function
POWER Function