The TI-89 Titanium Graphing Calculator by Texas Instruments is a handheld device that is powered by batteries. It is designed specifically for graphing functions and is part of the popular TI-89 calculator model. This calculator is ideal for students and professionals who require precise mathematical calculations and graphing capabilities on the go. With its compact size and durable construction, the TI-89 Titanium is a reliable tool for solving complex equations and visualizing mathematical concepts.
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