The Texas Instruments TI-83 Plus Clear Blue Graphing Calculator is a handheld unit that features an LCD display, calculus capabilities, and programmability. This graphing calculator is designed for students and professionals who need to solve complex equations and graph functions. With a regular key size and battery power source, this device is ideal for on-the-go use and quick calculations. The clear blue design adds a touch of style to the classic Texas Instruments TI 83 Plus model.