Hex to Decimal
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace HexToDec { class Program { static void Main(string[] args) { string hex = Console.ReadLine(); int Total = 0; //TBD: Need to check for other characters are entered for (int i = 0; i <= hex.Length - 1; i++) { switch (Convert.ToChar(hex[i].ToString().ToUpper())) { case 'A': Total = Total + 10*((Int32)Math.Pow(16,hex.Length-1-i)); break; case 'B': Total = Total + 11 * ((Int32)Math.Pow(16, hex.Length - 1 - i)); break; case 'C': Total = Total + 12 * ((Int32)Math.Pow(16, hex.Length - 1 - i)); break; case 'D': Total = Total + 13 * ((Int32)Math.Pow(16, hex.Length - 1 - i)); break; case 'E': Total = Total + 14 * ((Int32)Math.Pow(16, hex.Length - 1 - i)); break; case 'F': Total = Total + 15 * ((Int32)Math.Pow(16, hex.Length - 1 - i)); break; default: Total = Total + Convert.ToInt32(hex[i].ToString()) * ((Int...