Question about Texas Instruments TI-89 Calculator

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How do you reset a TI-89 calculator

I have an empty screen on my calculator, and i was hoping that resetting it will help, does any one know how to reset it?? Thanks:)

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  • Anonymous Mar 15, 2014

    How can I reset the calculator back to the way it was when I bought it (i.e. all equations cleared, settings back to default)? Thanks :)

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Hold the Left, Right and 2nd buttons. Then press the On button.

This will erase all user programs but it seems to leave flash apps alone.

Posted on Mar 09, 2009

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I know that on my ti 82 you press 2nd + (or where ever you see 'mem') and there should be an option for reset

Posted on Feb 16, 2009

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1 Answer

On my TI-89 everything displayed on the screen is a mirror image, left to right. All functions work as expected, but the display must be read in a mirror to see usual display.


Reset your TI-89

Press left and right arrow and 2nd keys simultaneosly, hold it and then press ON. Release all keys and you will reset TI 89

Sep 21, 2013 | Texas Instruments TI89 Titanium Scientific...

1 Answer

TI-89 Titanium screen frozen at apps menu


Remove the small memory battery, and then remove one of the four AAA batteries, then while holding down the APPS button reinstall the AAA battery and then it should say waiting to recieve operating system then hook it up to your computer with the silver connect cable and then on the computer send the operating system to the TI89 Titanium, and wait for it to install completely and it should work.

Sep 12, 2012 | Texas Instruments TI-89 Calculator

1 Answer

My ti-89 wont turn off


if the second key is working try to reset the TI89
take out 1 battery
Hold Left Right Arrows 2nd and on
Put back the battery when the screen will reset leave the keys
this should reset the Calc if it will not help there is a problem with the hardware

Hope it will help

Dec 25, 2010 | Texas Instruments TI-89 Calculator

1 Answer

My ti-89 graphing calculator at the f1-7 section, some of the options in F1 section are blurry and unreadable i tried changing the battery and it still has the same issue. please help me


try to reset the screen
install the 4 batteries
take out 1 battery
press and hold these keys let arrow+ right arrow+ 2nd + on and then install the battery
this should reset the screen if it will not help then its a problem with the LCD
hope it will help

Nov 27, 2010 | Texas Instruments TI-89 Calculator

1 Answer

I have a casio ti 89 calculator and now nothing's working. There's only a message on the screen "adress error" . Please can you help me ?


The following procedure will completely reset the calculator. Please, bear in mind that this will erase the memory of the calculator and restore all manufacturer's defaults.

On the TI-89 family:
• Hold down the following keys [2nd] [<] and [>] (right and left arrow keys)
• Press [ON]
• Release all the keys at the same time
• Adjust the contrast, if necessary

Jun 26, 2010 | Texas Instruments TI-89 Calculator

1 Answer

My TI-89 Titanium won't turn on!


A hard reset will clear all memory and should give you back control of the calculator.

1. Put the batteries in the calculator.

2. Press and hold left arrow, right arrow, and 2nd keys.

3. Press and release ON.

Jan 15, 2010 | Texas Instruments TI-89 Calculator

1 Answer

Half my TI-89 calculator screen is blank. Do you know if you can buy a replacement LCD?


Hello,
You can contact ti-cares@ti.com or www.ti.com/calc by email to inquire about where you can buy a screen.

Hope it helps.

Oct 24, 2009 | Texas Instruments TI-89 Calculator

2 Answers

I need to reset my TI-89 Titanium


There is several ways to reset the Ti-89 Titanium calculator. Other than the one shown to you by K24674, just hit [2nd] [MEM] [F1] instead of [diamond] [MEM] [F1], then:
Press [1:RAM] then select [1: All RAM] or [2: Defaults] and [ENTER] to reset the RAM.
Since you didn't give him four thumbs up because, he did what you stated. I'll tell you other ways to do a reset. The reason is because, you may have a locked up calculator that seems impossible to reset.

Push [2nd] [MEM] then [F1] [3] [ENTER] for yes to reset everything.


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If your have downloaded 3rd party shells, games and programs and your calculator is locked up, you may need to take out all the batteries including the small circular one for about 4 hours or more.

If this doesn't work you will have to deal with it, possibly by deleting out what you can to free the calculator up to start operating properly, and re-installing the OS software.

Actually most people don't even need to reset their calculator memory. It is usually just a single variable that their using that is what hanging them up. Just execute the NewProb command to delete all single variables in the folder that your working in by pushing [2nd] [F1] [2] [ENTER]. This only deletes single variables a to z. This method is unlikely to miss you up with other programs, functions that are not archived or can be mistakenly deleted on your calculator. Works real good while working out of the main folder. Hope this helps you!

Oct 13, 2009 | 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

I accidentally resetted my ti-89 titanium


Hello,
Use the TIConnect software to connect the calculator to the computer.Then in the TIconnect main window you can drag and drop the applications you downloaded from education.ti.com. They will be transferred to the calculator.
I cannot understand why you cannot graph normally since the graphing is not an application, it is part of the OS.
While you are connected to the Internet and to the calculator, you may want to reinstall the OS directly from education.ti.com to your calculator
Hope it helps.

Feb 22, 2008 | Texas Instruments TI-89 Calculator

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