Ideal for everyday calculations. Extra large and tilted 8 digit display for easy viewing. Slim and compact design for convenience of storing. Quickly and neatly sits in desk drawers when not in use. Solar powered with the added security of battery back up for low light conditions. Features include 3 Key Full Memory function, percentage and square root keys. Measurements: 105mm (w) x 135mm (d) 30mm (h).