Implementation of Bisection Method written in console C#.
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; // ? 2017 TheFlyingKeyboard and released under MIT License // theflyingkeyboard.net namespace BisectionCS { class Program { static void Main(string[] args) { double intervalBegin; double intervalEnd; double middle; double precision; Console.Write("Enter begining of interval: "); intervalBegin = Convert.ToDouble(Console.ReadLine()); Console.Write("Enter end of interval: "); intervalEnd = Convert.ToDouble(Console.ReadLine()); Console.Write("Enter precision of method: "); precision = Convert.ToDouble(Console.ReadLine()); if (Function(intervalBegin) * Function(intervalEnd) > 0.0D) { Console.Write("Function has same signs at ends of interval"); return; } while (Math.Abs(intervalBegin - intervalEnd) > precision) { middle = (intervalBegin + intervalEnd) / 2.0D; Console.WriteLine("X: " + middle); if (Function(intervalBegin) * Function(middle) < 0.0D) { intervalEnd = middle; } else { intervalBegin = middle; } } Console.ReadKey(); //Wait before exiting } static double Function(double x) { //x^2 + 2x -1 return x * (x + 2) - 1; } } }