Tested & working In very good preloved condition Please look at photos carefully and ask any questions before purchasing The Texas Instruments TI-89 Titanium Graphing Calculator is a handheld device perfect for students and professionals alike. With a regular-sized display and key size, this graphing calculator is equipped with advanced mathematical capabilities. Powered by batteries, this model is durable and convenient for on-the-go use. The included cover also adds to the overall value of this excellent tool for solving complex equations and graphing functions.
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