Tested and works but 2 vertical lines in display see pics. No cover

The TI-83 Plus Graphing Calculator by Texas Instruments is a powerful tool designed for advanced mathematical functions and graphing. With its battery power source, this calculator is convenient for use in various settings, including business, industrial, and educational applications. The TI-83 Plus model offers a range of features that make it a reliable choice for solving complex equations and creating interactive graphs, making it a valuable asset for professionals and students alike.