Question about Texas Instruments TI-89 Calculator

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"domain error" message on ti-89 titanium

HI:-)
you answered "I changed the mode and solved the problem", to the previous post anking for a solution to the error-message "domain error", when trying to make a stat.-list. I filled the "list 1" and "list 2" and stille got the problem. Which mode did you change (there's about 20 different options, when typing the "mode"-button).

Best regards
Jeppe Tange

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  • Anonymous Apr 27, 2009

    I am trying to do the hyperbolic cosine of a complex number. I am getting a domain error...what's going on?? Please help!

  • SUmairArif May 16, 2009

    HI i am Sumair Arif form U.A.E .....TI-89 is the best one to use for this program, but it does this

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An argument must be in a specified domain. For example, ans(100) is not valid because the argument for ans() must be in the range 1–99.

Posted on Feb 17, 2010

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Trigonometry, my calculator says domain error when I press; cos-1(26^2+14^2-32^2/2*26*14) I change it into degree, but it doesn't help.. Can anybody tell me why it doesn't give me the exact an


Domain errror meaning that an argument must be in a specified domain.
It's not clearly what do you want to do but for three possible options solutions are on the captured images below(for radian mode).

2_23_2013_2_59_50_pm.jpg



2_23_2013_3_00_57_pm.jpg



2_23_2013_3_02_25_pm.jpg

Feb 23, 2013 | Texas Instruments TI-89 Calculator

1 Answer

Integrating 1/root(10-x^2) from -root(10) to root(10) gives pi on the TI-89 but gives undefined on the platinum TI-89. Why and is there a way to make it work on the platinum?


I am aware that this does not fully answer your WHY question but it may help you decide what to do.
On the TI92 Plus, which has the latest OS for that machine 2.09 Advanced mathematics Software one gets the result Pi in EXACT or AUTO modes and 3.1415926536 in APPROXIMATE mode.
However when in EXACT/AUTO mode the calculator displays a warning message Memory Full, Simplification may Not Be Complete. (see screen capture.)

k24674_42.jpg
On the Voyage 200 PLT with OS version 3, the same as on the Titanium (not Platinum), I get an undefined result in EXACT MODE and 3.1415926536 in APPROXIMATE MODE.

k24674_43.jpg

So you can get the approximate value of the integral on the Titanium or the indefinite integral which you can evaluate between the two boundary points.

k24674_44.jpg

Apr 30, 2011 | Texas Instruments TI-89 Calculator

1 Answer

Ti-89 titanium


Having gone over a month with no response, I assume this is no longer a problem.

Jun 26, 2010 | Texas Instruments TI-89 Calculator

1 Answer

Ti 89 Titanium


The only option or keys that will work is the ENTER key and the arrow keys. Try to get your arrow key to work by arrowing down and hit enter hopefully change you to something different.
Next, if at all possible can you hit the MODE key or get into the mode. If you get into the MODE select F3 and then arrow down twice or all the way to the bottom and at APPS Desktop select 1:OFF and then hit the ENTER key. Next, What I really think you need to do is reinstall the Ti 89 OS software. To do so you would need to connect to your computer or another Ti 89 Titanium to your Ti 89 Titanium. If you have Ti connect computer software (from the Ti site) connected to your Ti 89 Titanium it might help you more in troubleshooting any further problems too. You might be able to delete corrupt files that would free your calculator up and start running better.

Sep 03, 2008 | Texas Instruments TI-89 Calculator

1 Answer

"domain error" message on ti-89 titanium


I had the same problem, this worked for me:

Mode -> page 2 -> Exact/Approx change from "Exact" -> "Auto"


May 12, 2008 | Texas Instruments TI-89 Calculator

4 Answers

Domain error


It's the "Exact/Approx" setting under the [MODE] key. I used to have it on "Exact" and got the domain error issue, but then changed it to "Auto" and it works. IMO, this is a really weird quirk that TI should have ironed out before releasing the TI-89.

Apr 02, 2008 | Texas Instruments TI-89 Calculator

3 Answers

Dec to hex conversion


Not sure if TI-89 mode keys are the same, but here's the solution for that calculator:
1. Hit the mode key
2. Hit F3 to get tot Exact/Approx (might be different for 89T).
3. Set it to Exact.
4. Take a look at T-89 manual pages 327, 328, 329.
Nice of TI to NOT include that in the manual, huh?

Dec 13, 2007 | Texas Instruments TI-89 Calculator

3 Answers

Graphing radical functions


I have a TI-89 Titanium and I have experienced the same problem. HERE IS HOW TO FIX IT:

Goto " MODE " and scroll down the options until you get to
" COMPLEX FORMAT " change that option to " RECTANGULAR " and press ENTER until you exit out of the " MODE " screen. (very important that you press ' enter ' until you exit because if you don't, it will not save your changes. )

Sep 19, 2007 | Texas Instruments TI-89 Calculator

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