static void Main(string[] args) { Function.ConsoleTiengViet(); var noiSuy = new DaThucNoiSuy(@"DaThucNoiSuy\newton.txt"); Console.WriteLine("Bảng số:"); Console.WriteLine(noiSuy.ToString()); Console.WriteLine("--------- Lagrange"); Console.WriteLine(noiSuy.Lagrange().ToString()); Console.WriteLine("--------- Newton"); Console.WriteLine(noiSuy.NewtonTongQuat().ToString()); Console.ReadKey(); }