This eight-digit calculator’s compact size is ideal for pocket or purse. Features an easy-to-read, extra-large LCD display. Includes large, well-spaced, durable rubber keys for simple computing, and a double-hinged hard snap cover for extra protection. The contemporary black and silver design is a fresh look. Other functions include: 3-key independent memory, square root, change sign and percent keys. Operates on hybrid power solar/battery backup. Power Sources: Battery Solar Display Notation: Numeric Number of Display Digits: 8 Memory: 3-Key.