using System;

public class Program

{

    public static void Main()

    {

        double a = 349.45;

        double b = 347.21;

        double c = 534.27;

        var d = a + b + c;

        // what do we have?

        Console.WriteLine(d);

        // what did we want?

        Console.WriteLine(d == 1230.93);

        // when does it become a problem?

        // expected

        Console.WriteLine("This is half the amount:" + Math.Round(1230.93 / 2 , 2, MidpointRounding.AwayFromZero));

​

        // whoops

        Console.WriteLine("This is half the amount:" + Math.Round(d / 2 , 2, MidpointRounding.AwayFromZero));

    }

}