12-digit calculator is ideal for occasional users. Especially suitable for small offices and home offices. Equipped with a large LCD display for easy viewing. Contemporary black and white style complements modern desktop decor. This eco-friendly calculator is made of 25% recycled plastic. You can rely on a fast and reliable 2.0 line/second ink roller printer. Cost / Sale/Margin keys can make quick and easy profit margin calculations (simply enter two variables and the third parameter will be displayed automatically). Holds standard size paper on the swingout arm or a small roll inside the case for ultimate portability. Other features include automatic tax key, date/non-added key, percentage key, backspace key, and 3 key independent memory. Operates with 4 AA batteries (not included) or AC adapter included 2 Year Manufacturers Standard Warranty.