Natural logarithm
= Natural logarithm
{wiki=Natural_logarithm}
The natural logarithm is a logarithm that uses the mathematical constant \\( e \\) (approximately equal to 2.71828) as its base. It is denoted as \\( \\ln(x) \\), where \\( x \\) is a positive real number. The natural logarithm answers the question: "To what power must \\( e \\) be raised to obtain \\( x \\)?