5051

Double x = 0.0, x1 = 0.0, e = 1e-6, y = 0.0, ch = 0.0, n = 1, dx = 0.0;

            Console.WriteLine("Enter value -1 <= x < 1");
            x = Convert.ToDouble(Console.ReadLine());
            Console.WriteLine("Enter max value of x :");
            x1 = Convert.ToDouble(Console.ReadLine());
            Console.WriteLine("Enter range values increas for x :");
            dx = Convert.ToDouble(Console.ReadLine());

            Console.WriteLine("__________________________________________________");
            Console.WriteLine("|                     TABLE                      |");
            Console.WriteLine("__________________________________________________");
            Console.WriteLine("|       x       |       y       |        n       |");
            Console.WriteLine("__________________________________________________");
            for (; x >= -1 && x < 1; x += dx)
            {
            ch = 1;
            y = ch;
            for (n = 1; Math.Abs(ch) > e; n++)
            {
            ch = -(Math.Pow(x, n) / n);
            y += ch;
            }

            }

            Console.WriteLine("|   {0,4}   |   {1,8:F3}   |   {2,4}   | " , x,y,n++);
            Console.ReadKey();