Balance your books accurately with this Staples 10-digit display desktop calculator. Make calculating financial transactions easy with this 10-digit display desktop calculator. The auto power-off function preserves battery life when not in use, while the 10-digit display provides convenient viewing. Multiple functions, including square root, help you solve basic math problems. This Staples 10-digit display desktop calculator uses both solar and battery power for reliability, and the angled display offers an optimal viewing angle. Desktop calculator with easy-view 10-digit angled LCD display. For all basic calculations. Dimensions: 5.47″W x 5.87″D x 1.38″H. Two-way power: solar and battery – perfect for day or night. Square root, percent, sign change, backspace, and three memory store keys (17 function keys total). Automatic shut off.