Tested and works. Slight burn in on bottom right, see pics. Does not affect functionality. The Texas Instruments TI-89 Titanium Graphing Calculator in black with a cover is a handheld device designed for graphing functions. With a regular size display and key size, this calculator is powered by batteries and is perfect for students and professionals in need of a reliable and efficient tool for solving mathematical problems. The Texas Instruments TI-89 model offers advanced capabilities for graphing equations, making it a valuable addition to any office or workspace.
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