T Texas Instruments TI-89 Graphing Calculator Vintage 1999 Tested and Working

This Texas Instruments TI-89 Graphing Calculator is a vintage piece from 1999 that has been tested and is in working order. It is a multi-functional calculator that can be used for financial, scientific, and graphing purposes. The calculator has a regular display size and key size, making it easy to use for extended periods. It features calculus and programmable capabilities, making it a great tool for students and professionals alike. The calculator is handheld in size, making it easy to carry around. It requires batteries to operate, and the power source is included in the package. This calculator is a great addition to any office or business setting.