ln

This function is available starting with SIL Engine™ 2.5.

Syntax

ln(number)

Returns the natural logarithm of a number.

Natural logarithms are based on the constant e (2.71828182845904).

Parameter	Type	Required	Description

Parameter	Type	Required	Description
number	Number	Yes	The positive real number you want the natural logarithm for.

number

number a = ln(86);
print("a= " + a);
number b = ln(exp(4));
print("b= " + b);

Prints:

a= 4.454347;

b= 4;