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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 |
|---|---|---|---|
| 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