The Texas Instruments TI-83 Handheld Graphing Calculator is a versatile tool designed for various mathematical tasks. This compact device offers regular-sized keys for easy input, catering to users who prefer a basic, financial, or graphing functionality. With a rechargeable battery power source, this handheld calculator is convenient for on-the-go use. Featuring an LCD display and programmable functions, the TI-83 model from Texas Instruments is a reliable choice for students, professionals, and anyone in need of a reliable and efficient calculator for everyday use. Includes cover. Barely used.