static void Main(string[] args) { double samplingRate = 1; int index = 1; while (true) { switch (index) { case 1: case 2: case 3: Console.ForegroundColor = ConsoleColor.Red; break; case 4: case 5: case 6: Console.ForegroundColor = ConsoleColor.Yellow; break; default: Console.ForegroundColor = ConsoleColor.Green; break; } double dx = Integrate.IntegrateFunction(0, 2, samplingRate, new Sigmoid()); Console.WriteLine("├ #" + index++ + " ┼ Sigmoid integral: " + dx + " on sampling rate: " + samplingRate); samplingRate /= 10; } }