The Texas Instruments TI-82 Graphing Calculator is a handheld device with a regular display size, perfect for on-the-go use. As a graphing calculator, it allows for advanced mathematical functions and graphing capabilities. The model, Texas Instruments TI-82, is a reliable and efficient tool for students, professionals, and anyone in need of precise calculations and data analysis. With the added bonus of being tested with a slide cover, this calculator is protected and secure for extended use. See pictures for details.