The Casio HR-100TM Plus Printing Calculator features a large 12-digit display and 2-color printing. Its sleek, streamlined silver case has black, red and gray keys. Fast printing at 1.7 lines per second. Includes plastic arm to hold paper. Features floating fixed (0-3) with round-off function. It also includes markup/markdown keys, as well as tax and currency exchange functionality. Independent memory saves the last entry or formula processed. Runs on AC power or 4 AA batteries. Adapter is included; batteries are not. Casio(R) HR-100TM Plus Printing Calculator is one of many Printing Calculators available through Office Depot. Made by Casio.