The Texas Instruments TI-83 Plus Graphing Calculator is a handheld scientific calculator that features a regular-sized LCD display, suitable for solving various mathematical equations and graphing functions. With its battery power source, this calculator is convenient for on-the-go use. The TI-83 Plus model is well-known for its capabilities in calculus and is a reliable tool for students, professionals, and anyone in need of a dependable calculator for everyday tasks. Batteries not included.