The Texas Instruments TI-89 Graphing Calculator is a vintage 1998 model that comes with its original packaging and manual. This handheld calculator is a classic, featuring a regular-sized key and display, with battery power source for convenience. With advanced features like an LCD display, USB connectivity, backlight, calculus functions, clock, and programmable capabilities, this graphing calculator is perfect for office, educational, or industrial use. Made in Taiwan, this model is a reliable tool for solving complex equations and graphing functions efficiently.
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