static void Main(string[] args) { Console.WriteLine("Square is= {0}", MyClass.Sqr(10)); Console.WriteLine("Cube is= {0}", MyClass.Cube(5)); Console.WriteLine("Floor val is= {0}", MyClass.Floor(15.75)); Console.WriteLine("Ceil val is= {0}", MyClass.Ciel(10.89)); Console.WriteLine("Absolute val is= {0}", MyClass.Absolute(-100)); Console.ReadLine(); }