Desktop print calculator features large fluorescent display with 14 digits and a two-color ink ribbon. Print 5.2 lines per second with positive numbers in black and negative numbers in red. Functions include quick tax calculation, decimal point system (add mode, 0, 2, 3, 4, 6, floating), delta percentage calculation, up/off/down rounding, tax calculation tip, currency conversion, clock/calendar, sign change, item count, markup/markdown, cost/sell/margin, memory and grand total. Heavy-duty calculator shuts off automatically in 7 minutes. Calculator runs on AC power and weighs 4.9 lb.