Texas Instruments TI-92 Graphing Calculator With Cover

Fully working, but does need batteries sold as seen in photos no cables or charging cords included.
Over 500 KB memory for storing functions, programs, and data
doubt about it, the TI-92 was groundbreaking. It was the first Texas Instruments calculator that had a computer algebra system (CAS). This meant users could give the calculator equations to solve and receive answers in fraction form, radical form, or even ask the calculator to solve one variable in terms of another. This was an incredible new ability to have in the palm of your hand (even if it took two hands). The TI-92 also was on the cutting edge for giving users the ability to graph in three dimensions.

In the late 90’s, Texas Instruments began putting flash memory into its calculators, making it easy to upgrade the operating system and add apps that were available via their website and by an active programmer community. Thus, the TI-92 plus was born in 1998.

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