Desktop printing calculator offers a large fluorescent display with 14 digits, two-color printing and large color-coded, keytops. High-speed ink ribbon printer generates 4.8 lines/21mm per second with positive numbers in black and negative numbers in red. Functions include time calculation, average, profit margin calculations, currency conversion, tax calculations, clock/calendar, decimal positions (+, 0, 2, 3, 4, 6, Floating), up/off/down rounding, sign change, item count, memory and grand total. Printing calculator uses 2-1/4" wide paper rolls and operates on AC power. Power-save mode shuts off calculator automatically after seven minutes of nonuse.Desktop printing calculator offers a large fluorescent display with 14 digits, two-color printing and large color-coded, keytops. High-speed ink ribbon printer generates 4.8 lines/21mm per second with positive numbers in black and negative numbers in red. Functions include time calculation, average, profit margin calculations, currency conversion, tax calculations, clock/calendar, decimal positions (+, 0, 2, 3, 4, 6, Floating), up/off/down rounding, sign change, item count, memory and grand total. Printing calculator uses 2-1/4" wide paper rolls and operates on AC power. Power-save mode shuts off calculator automatically after seven minutes of nonuse.