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What is an 89K file?
An 89K file is a Flash application that can be run on a Texas Instruments TI-89 graphing calculator. Users typically install 89K files using Texas Instruments TI Connect.
Students use TI-89 graphing calculators (both the base and Titanium models) to plot functions, analyze numerical data, solve complex equations, and often, play video games. 89K files contain Flash applications, often simple video games, a user can install on their TI-89.
Some programs available from the Texas Instrument website are also packaged as 89K files. For example, the program Statistics with List Editor for TI-89 can be downloaded as an 89K file, named TIStatle.89k.
How to open an 89K file
You can use Texas Instruments TI Connect (Windows, Mac) to install the program an 89K file contains on a TI-89 calculator. For detailed instructions, refer to your calculator's documentation.