Contemporary and professional printing calculator offers fast, two-color ribbon printing. Other features include large 12-digit (12mm) blue fluorescent display with punctuation, fast 3.7 lines/second two-color ribbon printing on standard 2-1/4" paper rolls. Functions include key-cost/sell/margin calculations, percent change, auto add-one discount function, floating (F) or fixed decimal (6,3,2,1,0) add (A) and constant (K) modes, item count and round up/off/down selector. View date and time on display or receipt with calendar/clock function. Professional keyboard features contoured keys for smooth, continuous calculations. Built-in tax keys, four-key memory and grand total key add even more options.