Function 
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 
cos(x) 
Returns the cosine of x (x is in radians) 
cosh(x) 
Returns the hyperbolic cosine of x 
exp(x) 
Returns the value of E^{x} 
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 
sign(x) 
Returns if x is negative, null or positive (1, 0, 1) 
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 
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) 