Math

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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