With efficient performance and powerful reliability, this easy-to-use calculator is perfect for your home office, school or retail environment. This 12-digit calculator features a two-line LCD and color-coded rubber keypad that's perfect for easily handling a variety of tasks. Four-function memory is great for tedious calculations, such as square roots or long division. Using both solar and battery power, this calculator will work anywhere you are. Calculator also features percentage, cost/sell/margin and tax calculation keys.