This Texas Instruments TI-82 graphing calculator comes with a cover and has been tested to ensure it is in proper working condition. It is perfect for business and office use, especially for those in need of a reliable calculator for complex calculations. The battery-powered calculator is a must-have for anyone who needs accurate computations. The model name is TI-82 and features include cover protection. It is an ideal tool for those who want to perform calculations without resorting to a computer. The calculator is a great investment for those looking for a reliable and easy to use device.