The Texas Instruments TI-80 Graphic Calculator is a reliable tool for solving complex mathematical equations. With its battery power source, this graphing calculator is perfect for on-the-go use. The TI-80 model from Texas Instruments is known for its functionality and durability, making it a valuable asset for students, professionals, and anyone in need of precise calculations. Plus, it comes with a cover for added protection and convenience. Tested and working with two new batteries has wear and marks see pictures
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