The Texas Instruments TI-89 Graphing Calculator is a handheld device powered by batteries, ideal for business, industrial, and office use. This graphing calculator features a regular-sized LCD display with a backlight, making it easy to use in various lighting conditions. With its programmable capabilities and calculus functions, this model from Texas Instruments is a versatile tool for solving equations and creating graphs on the go. Additionally, the USB connectivity allows for easy data transfer and communication with other devices. Perfect for students, professionals, and anyone in need of a reliable and efficient calculator. No charger cord included

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