This calculator works! Because of shipping, I will not be including batteries. This takes 4 AAA batteries. The Texas Instruments TI-89 Graphing Calculator is a handheld device that is powered by batteries. It features a regular display size and is designed specifically for graphing functions. As a model from Texas Instruments, it offers advanced mathematical capabilities and is ideal for students and professionals seeking a portable and efficient tool for solving complex equations and visualizing mathematical concepts.
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