Mathematical functions

float|int = abs(float|int)
float = acos(float|int)
float = asin(float|int)
float = atan(float|int)
float = atan2(float|int, float|int)
float = ceil(float|int)
float = cos(float|int)
float = exp(float|int)
float = float(any)
float = floor(float|int)
float = fmod(float|int, float|int)
int = int(any)
float = log(float|int)
float = log10(float|int)
int|float = num(string|int|float)
float = pow(float|int, float|int)
int = rand([int])
float = sin(float|int)
float = sqrt(float|int)
float = tan(float|int)