1 2 3 4 5 6 7 8 9 10 | public static void Main() { int one = 1; double s = 0; double eps = 1e-6; for (double i = 1; Math.Abs(one / i) > eps; i += 2, one = -one) s += one / i; Console.WriteLine("" + s + " " + Math.PI / 4); Console.ReadKey(true); } |