ti89

  1. S

    TI89 help- how do you change it so you can see more of your work?

    I have a test coming up that its really useful to see a lot of your work, and right now i have it set so that you can only see the previous 30 problems. it used to be at 99 problems, but i don't remember how/when i changed it. any help appreciated, best answer goes to whoever gets it back to 99.
  2. K

    My TI-89 Calculator needs HELP!!!!?

    ok so i typed in a ctc2() command for a game and it now displays "Illegal Instruction" on the top of the screen and the calculator wont respond to anything i put in and taking the batteries out isn't doing anything as soon as i put them in it has the same screen. any help?
  3. S

    My TI-89 Calculator is having display problems, please help!?

    A few weeks ago, my calculator started to malfunction. the display at the bottom of the screen has a bunch of lines going through striking out the view. it is very hard to do anything with the calculator like this because the whatever i type in at the bottom of the screen is unreadable. please...
  4. A

    Casio Classpad 300 plus VS. TI-89 Titanium?

    I would like to ask if the CAS (Computer Algebra System) on the Casio Classpad 300 plus id better or more powerful than the TI-89 Titanium. Also what is the average price of the Casio Classpad 300 plus?
  5. P

    How do i put games on my TI-89 Titanium?

    I have already downloaded the .zip files to my computer, what do I do next? Please give step by step instructions...
  6. N

    Help With Texas Instrument TI-89 Titanium Calculator.?

    Okay, so here is the problem. When I try to get the square root of 12, instead of telling me the answer in a decimal answer, it just says 2 times square room 3. I need the calculator to give me a decimal answer. How do i change the settings to get this outcome? The calculator model is: Texas...
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