What is the meaning of this mathematical function LN

In mathematics, the LN function typically refers to the natural logarithm function. The natural logarithm is the logarithm with base "e", where e is approximately equal to 2.71828. The function LN(x) gives the power to which the base e must be raised to obtain the number x. It is denoted as LN(x) = log_e(x), or simply as ln(x).