static void Main(string[] args) { double a, b, c; a = double.Parse(System.Console.ReadLine()); b = double.Parse(System.Console.ReadLine()); c = double.Parse(System.Console.ReadLine()); QuadraticEquation qe = new QuadraticEquation(a, b, c); double delta = qe.calculateDelta(); System.Console.WriteLine("Delta = " + delta); if (delta < 0) { System.Console.WriteLine("No solutions."); } else if (delta == 0) { System.Console.WriteLine("X = " + qe.calculateX0()); } else { System.Console.WriteLine("X1 = " + qe.calculateX1()); System.Console.WriteLine("X2 = " + qe.calculateX2()); } System.Console.ReadLine(); }