The Texas Instruments TI-89 Titanium Graphing Calculator is a handheld device powered by batteries, featuring a regular key size and capabilities for graphing. It includes features such as a USB connection and calculus functions, making it a versatile tool for business, industrial, and educational purposes. The model is from Texas Instruments, known for producing reliable and high-quality calculators. This graphing calculator is designed to assist users in solving complex mathematical equations and creating visual representations of data.
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