lgamma erfc erf arg floor ceil fpart ipart trunc arcctnh arccoth arctanh arccosh arcsinh fgamma im re int cis actn acot arcctn atan acos asin ctn actnh acoth argctnh atanh acosh asinh sq inv grad csc sec √ rad deg arccot arctan arccos arcsin cot tan cos sin fact exp log ln argcoth coth argtanh tanh argcosh cosh argsinh sinh sgn sqr sqrt abs