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Ln

unit
System
category
arithmetic routines

declaration
function Ln(X);

description
Returns natural logarith of a number.

The natural logarithm is the logarithm to the base e. Theconstant e is approximately 2.718282.
We can calculate base-b logarithms for any number x by dividing the natural logarithm of x by the natural logarithm of b as follows:
Lnb(x) = Ln(x) / Ln(b)

example
	
1 := Ln(e);

in real code

see also
Exp, LogN,


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