Math
The Math object adds a number of useful math functions. They're easy to use: just preface them with Math.functionName.
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 PI (approx. 3.14) |
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 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 |