JavaScript Math Reference
Math Object
The Math object allows you to perform mathematical tasks.
Math is not a constructor. All properties/methods of Math can be called by using Math as an object, without creating it:
Math Tutorial
Math Object Methods and Properties
Name | Description |
---|---|
abs(x) | Returns the absolute value of x |
acos(x) | Returns the arccosine of x, in radians |
acosh(x) | Returns the hyperbolic arccosine of x |
asin(x) | Returns the arcsine of x, in radians |
asinh(x) | Returns the hyperbolic arcsine of x |
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 |
atanh(x) | Returns the hyperbolic arctangent of x |
cbrt(x) | Returns the cubic root of x |
ceil(x) | Returns x, rounded upwards to the nearest integer |
clz32(x) | Returns the number of leading zeros in a 32-bit binary representation of x |
cos(x) | Returns the cosine of x (x is in radians) |
cosh(x) | Returns the hyperbolic cosine of x |
E | Returns Euler's number (approx. 2.718) |
exp(x) | Returns the value of Ex |
expm1(x) | Returns the value of Ex minus 1 |
floor(x) | Returns x, rounded downwards to the nearest integer |
fround(x) | Returns the nearest (32-bit single precision) float representation of a number |
LN2 | Returns the natural logarithm of 2 (approx. 0.693) |
LN10 | Returns the natural logarithm of 10 (approx. 2.302) |
log(x) | Returns the natural logarithmof x |
log10(x) | Returns the base-10 logarithm of x |
LOG10E | Returns the base-10 logarithm of E (approx. 0.434) |
log1p(x) | Returns the natural logarithm of 1 + x |
log2(x) | Returns the base-2 logarithm of x |
LOG2E | Returns the base-2 logarithm of E (approx. 1.442) |
max(x1,x2,..) | Returns the number with the highest value |
min(x1,x2,..) | Returns the number with the lowest value |
PI | Returns PI (approx. 3.14) |
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 |
sign(x) | Returns the sign of a number (checks whether it is positive, negative or zero) |
sin(x) | Returns the sine of x (x is in radians) |
sinh(x) | Returns the hyperbolic sine of x |
sqrt(x) | Returns the square root of x |
SQRT1_2 | Returns the square root of 1/2 (approx. 0.707) |
SQRT2 | Returns the square root of 2 (approx. 1.414) |
tan(x) | Returns the tangent of an angle |
tanh(x) | Returns the hyperbolic tangent of a number |
trunc(x) | Returns the integer part of a number (x) |