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![TI-89 Calculator Tutorial - [Part 1] -Introduction and Graphing Functions + Adjusting Window - YouTube](https://i.ytimg.com/vi/VZVkks6Si0U/sddefault.jpg "TI-89 Calculator Tutorial - [Part 1] -Introduction and Graphing Functions + Adjusting Window - YouTube")
TI-89 Calculator Tutorial - [Part 1] -Introduction and Graphing Functions + Adjusting Window - YouTube
TI-89 Graphing Calculator For Dummies Cheat Sheet
