Heavy-duty calculator features fast 4.3 lines per second printing and big 12-digit, 2-color display. 12-digit, 2-color printing. Cost/sell/margin function. Built-in tax and exchange function. Mark-up/mark-down key; right shift key for quick correction. Full-decimal system includes floating, fixed (0-6) with round-off, round-up or cut-off and ADD mode. Independent memory. Metal paper holder. AC power source. More details about product Casio DR250TM 2-Color Printing Calculator