Reference > Methods ln(value)¶ Definition¶ Double ln(Number value) Description¶ Returns a Double that is the natural logarithm (base e) of a double value. Parameter Definition¶ Name Type Description value Number value to get natural log for Examples¶ 1 2 3Double r1 = ln(0); // r1 == -Infinity Double r2 = ln(10); // r2 == 2.302585092994046 Double r3 = ln(2.71828D); // r3 == 0.999999327347282