Math

The Math object allows you to perform mathematical tasks.

The Math object does not need to be created to use it.

          var pi = Math.PI;      // Returns PI value
var x = Math.sqrt(25); // Returns the square root of 25 

        

Math Properties

Property	Description
E	Returns Euler's number (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 the square root of 1/2 (approx. 0.707).
SQRT1_2	Allows you to add properties and methods to a Number object.
SQRT2	Returns the square root of 2 (approx. 1.414).

Math Methods

Method	Description
abs(x)	Returns the absolute value of x.
acos(x)	Returns the arccosine of x, in radians.
asin(x)	Returns the arcsine of x, in radians.
atan(x)	Returns the arctangent of x as a numeric value between -PI/2 and PI/2 radians.
atan2(y,x)	Returns the arctangent of the quotient of its arguments.
ceil(x)	Returns x, rounded upwards to the nearest integer.
cos(x)	Returns the cosine of x (x is in radians)
exp(x)	Returns the value of Ex.
floor(x)	Returns x, rounded downwards to the nearest integer.
log(x)	Returns the natural logarithm (base E) of x.
max(x,y,z,...,n)	Returns the number with the highest value.
min(x,y,z,...,n)	Returns the number with the lowest value.
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 x to the nearest integer.
sin(x)	Returns the sine of x (x is in radians).
sqrt(x)	Returns the square root of x.
tan(x)	Returns the tangent of an angle.