The Texas Instruments TI-89 Titanium Graphing Calculator is a handheld device powered by batteries, featuring a regular-sized display and key size. This graphing calculator is designed for advanced calculus functions, making it a valuable tool for students, professionals, and anyone in need of precise mathematical calculations. The product also includes a cover for protection and easy portability. Tested and confirmed to be in excellent working condition, this Texas Instruments model offers reliability and efficiency in a compact and convenient package.
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