User Guide

Math 743
To calculate a radian value, use the following formula:
radians = degrees * Math.PI/180
The following is an example of passing the equation as a parameter to calculate the sine of a
45° angle:
Math.sin(45 * Math.PI/180) is the same as Math.sin(.7854)
Availability: ActionScript 1.0; Flash Player 5 - 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.
Property summary
Modifiers Property Description
static E:Number A mathematical constant for the base of natural
logarithms, expressed as e.
static LN10:Number A mathematical constant for the natural logarithm of
10, expressed as loge10, with an approximate value of
2.302585092994046.
static LN2:Number A mathematical constant for the natural logarithm of
2, expressed as loge2, with an approximate value of
0.6931471805599453.
static LOG10E:Number A mathematical constant for the base-10 logarithm of
the constant e (Math.E), expressed as log10e, with an
approximate value of 0.4342944819032518.
static LOG2E:Number A mathematical constant for the base-2 logarithm of
the constant e (Math.E), expressed as log2e, with an
approximate value of 1.442695040888963387.
static PI:Number A mathematical constant for the ratio of the
circumference of a circle to its diameter, expressed as
pi, with a value of 3.141592653589793.
static SQRT1_2:Number A mathematical constant for the square root of one-
half, with an approximate value of
0.7071067811865476.
static SQRT2:Number A mathematical constant for the square root of 2, with
an approximate value of 1.4142135623730951.