12 digit calculator is perfect for the occasional user, especially in a small office or home office setting. Features an extra large LCD display for easy viewing. Contemporary silver and black styling compliments any modern desktop decor. , This calculator is manufactured with 45% recycled plastic. You can count on the fast and reliable 2. 7 lines-per-second ink roller printer. Cost/sell/margin keys make for quick and easy profit margin calculations (simply enter two variables and the third automatically appears). other functions include: automatic tax keys, constants in multiplication and division, percentage add-on and discount, time/date, change sign key, large-size add and subtract keys, Item count, fully selectable decimal settings, Date/non-add key, and selectable rounding switches and 4 key independent memory. Operates on four AA batteries (not included) or on the included AC adapter. 2 year Manufacturer's standard.