Aurora DT920P Executive Desk Calculator

HC133 Replacement for the best selling Aurora HC101 calculator. Features and Benefits Robust handheld model with durable hard keys Large numeric keypad for easy viewing and entry Clear 8 digit LCD display 3 key memory Has +/- Change sign key Long lasting - solar powered with battery backup Auto Power Off to conserve power Notes Constants: Addition, Division, Multiplication & Subtraction. Percentage key & Square root. Dimensions (W x D x H): 70 x 115 x 15mm Weight: 50g Backup battery ref: LR1130 or BSR54H