Texas Instruments TI-83 Plus Black/Gray Graphing Calculator with Cover

The Texas Instruments TI-83 Plus Graphing Calculator is a handheld device designed for solving math problems and creating graphs. With a regular display size, this calculator allows users to input functions and view their graphs in a dynamic and interactive way. The model, Texas Instruments TI-83 Plus, offers a variety of mathematical features and functions that are essential for educational and business purposes. Additionally, it includes a cover for protection and easy storage. The battery compartment looked unused. I added 4 AAA batteries and it worked fine. Although I don't understand how it works because it takes a genius to operate it. LOL