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The SAT Operating System ("SAT_OS" or "SAT OS")
Our SAT app is called the SAT Operating System ("SAT_OS" or "SAT OS") for TI-83+, TI-83+ Silver, TI-84+, TI-84+ Silver, TI-89, and TI-89 Titanium graphing calculators. You can use this app on your calculator DURING the SAT to work problems more quickly and with greater accuracy.
FAQ
[I'm really good at math. Why would I need this?](/faq.html#gen1)
[Will it work on my calculator?](/faq.html#sof1)
[Other FAQ](/faq.html) ------
Video Tutorials
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Testimonials
[Visit our testimonials page here](/testimonials.html?view=featured). We currently have over 17,000 users and students are able to improve their score on the SAT test by over 60 points (on average) just by using this software. ------
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