The Texas Instruments TI-84 Plus Graphing Calculator is a versatile handheld device designed for students and professionals alike. With its regular-sized keys and LCD display, this calculator is perfect for basic, financial, scientific, and graphing calculations. Powered by batteries, it includes features such as USB connectivity, calculus functions, and programmability. The TI-84 Plus model is a reliable tool for solving complex equations and creating graphs with ease. Perfect for on-the-go use, this calculator comes with a cover for added protection.