public static void sask(Double rez) { a = SK1.getA() + SK1.getB(); }
public static void reiz(Double rez) { a = SK1.getA() * SK1.getB(); }
public static void dal(Double rez) { a = SK1.getA() / SK1.getB(); }
public static void min(Double rez) { a = SK1.getA() - SK1.getB(); }