The Goldtouch numeric keypad compliments our standard keyboard and can be a great addition for "number crunchers" and laptop users without full keypads. The Goldtouch keypad has that great calculator feel that most "number crunchers" can only dream of on their standard keyboard. The stand alone keypad allows users to uniquely position keypad to fit comfortably within arm"s reach, and the soft key touch, makes it even easier to plug numbers into your computer. This easy to use plug and play technology (driver free installation), is compatible with Windows 2000, XP, Vista, and Windows 7. The Goldtouch Keypad makes it easy access to essential keys such as: - Tab, Escape, Backspace - and also frequently needed symbols:, ( ) % $ Y L E c \ -. Calculator functions, such as: MS, M+/-, MC, and MR make using MS calculator a breeze. The Clear (Esc), CE (Del), Backspace, +/- 00, and = keys also enhance your calculation experience.