The Texas Instruments Ti-89 Graphing Calculator is a handheld device designed for scientific and graphing calculations. With a regular size LCD display, this calculator is powered by batteries and features functions such as calculus and programmability. It is ideal for students and professionals in various fields who require precise mathematical calculations and graphing capabilities on the go. The TI-89 model is known for its reliability and efficiency in solving complex equations and creating graphs, making it a valuable tool for those in need of advanced calculating tools.
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