ln

Availability

This routine is available starting with SIL Engine™ 2.5.



Syntax

ln(number)

Description

Returns the natural logarithm of a number.

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

Parameters

Parameter

Type

Required

Description

Parameter

Type

Required

Description

number

Number

Yes

The positive real number you want the natural logarithm for.

Return type

number



Example

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

Prints:

        a= 4.454347;

        b= 4;



See also