The Math object allows you to perform mathematical tasks.
Syntax for using properties/methods of Math:
var pi_value=Math.PI; var
sqrt_value=Math.sqrt(16);
Math Object Properties
E Returns Euler's constant (approx. 2.718)
Ln2 Returns the natural logarithm of 2 (approx. 0.693)
Ln10 Returns the natural logarithm of 10 (approx. 2.302)
LOG2E Returns the base-2 logarithm of E (approx. 1.442)
LOG10E Returns the base-10 logarithm of E (approx. 0.434)
PI Returns PI (approx. 3.14159)
SQRT1_2 Returns the square root of 1/2 (approx. 0.707)
SQRT2 Returns the square root of 2 (approx. 1.414)
abs(x) Returns the absolute value of a number
acos(x) Returns the arccosine of a number
asin(x) Returns the arcsine of a number
atan(x) Returns the arctangent of x as a numeric value
between -PI/2 and PI/2 radians
atan2(y,x) Returns the angle theta of an (x,y) point as a
numeric value between -PI and PI radians
ceil(x) Returns the value of a number rounded upwards to
the nearest integer
cos(x) Returns the cosine of a number
exp(x) Returns the value of Ex
floor(x) Returns the value of a number rounded downwards
to the nearest integer
log(x) Returns the natural logarithm (base E) of a number
max(x,y) Returns the number with the highest value of x
and y
min(x,y) Returns the number with the lowest value of x
and y
pow(x,y) Returns the value of x to the power of y
random() Returns a random number between 0 and 1
round(x) Rounds a number to the nearest integer
sin(x) Returns the sine of a number
sqrt(x) Returns the square root of a number
tan(x) Returns the tangent of an angle
toSource() Represents the source code of an object
valueOf() Returns the primitive value of a Math object
