This Casio FX-9750GII Graphing Calculator comes with a convenient cover and has been fully tested to ensure it is in working order. It is a reliable tool for business, office, and educational needs. This handheld calculator has a large LCD display and is powered by batteries. With USB connectivity, it can easily transfer data and programs between devices. Its features include a calendar, calculus functions, and programmable options. The Casio FX-9750GII is compatible with basic, financial, scientific, and graphing functions, making it a versatile option for various applications.