abs(x) sqrt(x) ceiling(x) floor(x) trunc(x) log(x) log(x,base=n) log10(x) exp(x) round(x,digits=n) cos(x),sin(x),tan(x) acos(x),asin(x),atan(x) cosh(x),sinh(x),tanh(x) acosh(x),asinh(x),atanh(x)