Flash Lite 2

Flash Lite 2.x ActionScript Language Reference > ActionScript classes > Math > log (Math.log method)

log (Math.log method)

Returns the natural logarithm of parameter x.

Availability: ActionScript 1.0; Flash Lite 2.0 - In Flash Player 4, the methods and properties of the Math class are emulated using approximations and might not be as accurate as the non-emulated math functions that Flash Player 5 supports.

Parameters

x:Number - A number or expression with a value greater than 0.

Returns

Number - The natural logarithm of parameter x.

Example

The following example displays the logarithm for three numerical values.

trace(Math.log(0)); // output: -Infinity
trace(Math.log(1)); // output: 0
trace(Math.log(2)); // output: 0.693147180559945
trace(Math.log(Math.E)); // output: 1