Canon 14-Digit 2-Color Printing Calculator Desktop printing calculator offers a large fluorescent display with 14 digits, two-color printing and large color-coded, key tops. Heavy-duty, high-speed ink ribbon printer generates 5.2 lines per second with positive numbers in black and negative numbers in red. Functions include profit margin calculations, currency conversion, tax calculations, clock/calendar, decimal positions (+, 0, 2, 3, 4, 6, Floating), up/off/down rounding, sign change, item county, memory and grand total. Printing calculator uses 2-14" wide paper rolls and operates on AC. Power save mode shuts off calculator automatically after seven minutes of nonuse. Calculator weighs 4 lb.