For those who are hooked on their keyboards for gaming or professional reasons, the Targus PAUK10U numeric keypad is perfectly ideal. The well-designed keyboard features concave sized keys, which allow you to type with minimum discomfort to your fingers. What adds to the convenience of the keyboard is the USB ports at the top of this keyboard which provide for easy connection to the mouse or flash drive. ... ... This numeric keypad makes repetitive numeric data entry tasks less painful. A numeric layout with no alphabet keys offers better visibility, particularly when you're working with large chunks of financial data. The keyboard can conveniently work with both Mac and PC operating systems.