This Texas Instruments TI-82 calculator is a must-have for any student or professional who needs to perform advanced computations. It has a regular sized display and key size, making it easy to read and use. Powered by batteries, this handheld device is perfect for on-the-go use. With a plastic cover case and tested functionality, this calculator is a reliable choice for any math or science problem. Its graphing and scientific capabilities make it a versatile tool for anyone in need of calculations. Get your hands on this Texas Instruments TI-82 today and take your work or studies to the next level.