Tested and works as expected as shown in photos. Does not include cover or batteries. This Texas Instruments TI-83 Plus Graphing Calculator is a powerful tool for any mathematician or scientist. With its programmable features, it can solve even the most complex equations. Its handheld size and regular key size make it easy to carry around, and its battery-powered source ensures it's always ready to go. This calculator is perfect for students, teachers, and professionals alike who need a reliable and efficient way to solve mathematical problems. Whether you're working on a complex calculus problem or just need a simple calculator for everyday use, the Texas Instruments TI-83 Plus is the perfect choice.