The Texas Instruments TI-80 Graphing Calculator is a handheld device that operates on batteries. It features regular-sized keys and is specifically designed for graphing functions. The model, TI-80, is known for its reliability and performance in solving complex equations and displaying graphical representations. Ideal for students, professionals, and anyone in need of a powerful calculator for everyday tasks, this Texas Instruments graphing calculator is a tested and working tool for solving math problems efficiently. Tested, working but the screen has some lines in it and some dead pixels.
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