class Second{ static double monom(double a, double x, int e){ //TODO } static int signum(long x){ //TODO } static double flaeche(double r){ //TODO } static double umfang(double r){ //TODO } static double hoeheGleichschenklig(double a, double c){ //TODO } static double hypothenuse(double a, double b){ //TODO } static double hoeheRechtwinklig(double a, double b){ //TODO } }