E LN2 LN10 LOG2E LOG10E PI SQRT1_2 SQRT2 abs(x) acos(x) asin(x) atan(x) atan2(y,x) ceil(x) cos(x) exp(x) floor(x) log(x) max(x,y) min(x,y) pow(x,y) random() round(x) sin(x) sqrt(x) tan(x) toSource() valueOf()