12 digit calculator is perfect for the everyday or moderate user, especially in a busy office setting. Features an extra large fluorescent display for easy viewing. You can count on the fast and reliable 4.6 lines-per-second ribbon 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: two independent tax keys, constants in multiplication and division, percentage add-on and discount, time/date, change sign key, large-size add and subtract keys, nonprint or print mode, item count, fully selectable decimal settings, date/non-add key, and selectable rounding switches and 4 key independent memory. AC Power. 3 Year Manufacturer''s Standard Warranty.