Sharp EL1197PIII calculator

EL1197PIII, Fluorescent, 4-key memory, 2-color printer - High-speed two-color ribbon printer with clock/calendar feature and 4.3 lines per second printing.
- Hi-Speed Ribbon Printer - prints at approximately 4.3 lines/sec. and is ideal for heavy duty office use.
- Grand Total - adds the grand total of several calculations such as the total prices times units on an invoice.
- Calendar / Clock Function - displays and prints date and time.
- Mark-Up Key - is used to perform mark-ups, cost/sell/margin calculations, percent changes, and automatic add-on/discounts.
- Average Key - is used to find the "mean" or average.
- 4-Key Memory - includes memory plus, memory minus, recall and clear memory keys.
- Additional Features - include mark-up/profit margin key, 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.