[. . . ] [. . . ] It is an excellent tool for Excel spreadsheet accounting or financial applications that require fast and accurate entry of numeric data. Numpad Pro is compatible with Windows® Vista™/XP x64/XP and 2000. With 12 digital LCD display becomes an office calculator, you can easy carry and work more efficiently. Using built in USB “Plug and Play”, a retractable USB cable provides faster connection and more convenience. [. . . ] [. . . ]