6.17Loop_ConvertBinaryNumberToDecimalSystem

using System;

class ConvertBinaryToDecimalNumber
{
    static void Main ()
    {
        Console.WriteLine("Enter your Binary number, wich consist of '0' and '1':");
        string binaryStr = Console.ReadLine();
        byte [] binarics = new byte [binaryStr.Length];
        for (int i = 0; i < binaryStr.Length; i++)
        {
            binarics [i] = byte.Parse(Convert.ToString((binaryStr [i])));
        }
        Array.Reverse(binarics);

        long numDecimal = 0;
        long multiplier = 1;
        foreach (var digit in binarics)
        {
            numDecimal += (digit * multiplier);
            multiplier *= 2;
        }

        Console.WriteLine("The Binary number in Decimal system looks like DECIMAL = {0} !",
            numDecimal);
        Console.ReadLine();
    }
}