MODULE: GSL/math package Class: Math Functions Function: math . abs (parm) Function: math . ceil (parm) Function: math . floor (parm) Function: math . mod (x,y) Function: math . rand () Function: math . sqrt (parm) Function: math . exp (parm) Function: math . log (parm) Function: math . log10 (parm) Function: math . pow (x,y) Function: math . sin (parm) Function: math . cos (parm) Function: math . tan (parm) Function: math . sinh (parm) Function: math . cosh (parm) Function: math . tanh (parm) Function: math . asin (parm) Function: math . acos (parm) Function: math . atan (parm) Function: math . atan2 (x,y) Function: math . pi () Function: math . asinh (parm) Function: math . acosh (parm) Function: math . atanh (parm)