I am selling a Texas Instruments TI-82 Graphic Scientific Calculator. In good condition and in full working order - slight mark on screen display but doesn't affect performance. Comes complete with hard case & 4 x AAA batteries. Comes from a pet free, smoke free household. UK seller, will send promptly via courier. Happy to answer any questions. More information below; Get your hands on the Texas Instruments TI-82 Graphic Scientific Calculator, a powerful tool perfect for office, business and industrial calculations. This handheld calculator has a regular sized display and runs on battery power, making it an ideal device for on-the-go calculations. The calculator comes with a protective case and batteries, ensuring that you can use it right out of the box. The Texas Instruments TI-82 is a graphing calculator with a regular sized display and is perfect for office equipment and supplies, as well as for use in business, office and.