Be the first to make the Calculator in C# for Windows based Application


Code:
[FONT=Calibri][FONT=Courier New][COLOR=#333333]// Source Code starts[/COLOR][/FONT][/FONT]
[FONT=Calibri][FONT=Courier New][COLOR=#333333]using System;[/COLOR][/FONT][/FONT]
[FONT=Calibri][FONT=Courier New][COLOR=#333333]using Sys[/][/][/]
...