Ln- Returns the natural logarithm of a number

Function that returns the natural logarithm of a number.

- Ln(N): float

Parameters:

- (float) N: number from which to derive the natural logarithm.

Description:

Use the Ln function to derive the natural logarithm of a number. The Ln function is the inverse of the Exp function, which derives the E base of the natural logarithm elevated to power.