Sharp EL-1197PIII Heavy Duty Color Printing Calculator with Clock and Calendar Built-in antimicrobial protection with micro ban inhibits the growth of damaging bacteria Ideal for heavy-duty Office use.Mark-Up Key is used to perform mark-ups, cost/sell/margin calculations, percent changes, and automatic add-on/discounts Adds the grand total of several calculations, such as the total prices times units on an invoice Blue fluorescent display shows Punctuation. Floating (F) or fixed decimal (6,3,2,1,0), add (A) and constant (K) modes, and item count. Prints on standard paper roll and operates on AC power Displays and prints date and time 12-Digit display 2 color printing. Calendar/ Clock and Time function Grand total 4.3 LPS AC powered.