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frustrated person

West Orange, NJ

#41 Sep 17, 2009
i downloaded doorsos and ran it, the window says address error and i can't do anything. i've pressed every button. it won't turn off. when i pulled the batteries out, put them back in, and turned it back on the screen was still up. i HATE the TI-89

Sunnyvale, CA

#42 Sep 24, 2010
Same thing as Grayson, it just shows whatever I just typed as an answer after I enter it, e.g.:
...and nothing happens. Help?

Washington, DC

#43 Sep 28, 2010
I used the TI-89 for calculus and its great for programs that easily load via USB. Check out for a great calculus app.

Stafford, VA

#44 Jan 2, 2012
Guys, I have a TI89 Titanium with the latest OS and firmware and just got Super Mario 68K. When I go to click on it, it says NoStub and sends be back to the Apps screen. I also tried launching it through Vars-Link, but to no avail. Finally, I tried the "mario()" methods, but none of them seem to work. In fact, it gave me an error message saying the program was not found. This was all using PreOS. I can't even transfer the files with TIConnect. >:U Help!

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