Sentry CA378 Solar Powered Notebook Standard Function Calculator

Sentry CA378 dual powered, solar powered calculator with back-up battery for low light conditions; 8 digit display, sure grip rubber keys, auto-off and memory function, and a 5.5-Inch ruler is designed to easily clips into school binders, notebooks and organizers. Great for use, at home, school, office or for travel. The calculator's convenient size makes it easy to fit into a pocket, purse or backpack.