Question about Texas Instruments TI-83 Plus Calculator

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New TI-83 Plus never used with damaged screen

My 12 year old son has a new TI-83 Plus never used which was damaged in his backpack! The screen is discolored on the left side, won't work at all. Help! Is there anything I can do to recoop my $100 investment-repair, warranty ???

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Re: new TI-83 Plus never used with damaged screen

Honestly, the best thing to do would be to take it back to the place you bought it and see if you can return it. It would be less expensive to buy a new one than to repair a broken one. This time I have a suggestion: buy a cover for it if it's going to be in his backpack. I got mine from Staples!

Posted on Sep 10, 2009

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My son's TI-83 calculator screen is very dark. The calculator appears to be working but I can barely read the screen. Any suggestions?

Try adjusting the screen contrast. Turn the calculator on. Press and release the 2ND key, then press and hold the down-arrow key to darken the text. If you go too far, use the 2ND and up-arrow keys to lighten the text.

Feb 09, 2011 | Texas Instruments TI-83 Plus Calculator

6 Answers


You can't simply enter 7x+9=30 into the calculator, there is a way to calculate what the x is but its been a few years since I've done these..

Oct 03, 2008 | Texas Instruments TI-83 Plus Calculator

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I haven't used the calculator in a long time(TI 83 plus) and I put in a new set of batteries. The old ones that were in left some battery acid, but not much. The calculator doesn't want to turn on. It's a...

hi adamsukienni,

Clean the battery damage up real good. Gently scrape to terminals of corrosion. Back in my day we use to put a little bit of coke cola to clean car battery posts to get a good connection. If you could put a little bit of coke on a Q-tip without getting any inside the calculator that would be good. Just let it soak in for about 30 minutes. And gently scrape the bad areas again clean of the corrosion. You have to clean it up to metal so, that when the battery is in it will be metal to metal connection.

If you can download new OS with another Ti83 Plus or, don't want to install the new OS goto Procedure 1.

Be ready to install the new ti 83 OS v.1.19. So, setup your computer with Ti Connect software and, have the new OS v.1.19 download ready and, in "My Documents \ My TI Data \ Downloads." If you need additional instructions on how to connect the computer to the calculator you can read my instructions at another posting I did. You can go to that posting by clicking, "Connection Instructions," under this paragraph. Just remember the OS was for a Ti 84 Plus and, your's is a Ti 83 Plus so, don't download the OS from the other posting. I'll give you a link below this paragraph to download the correct Ti 83 Plus OS v1.19 for your calculator here at your posting. Just follow the other posting to where I say, "You can also go back and, download the Ti 84 Plus guidebook too, if needed." After that statement the computer and, calculator get connected with the cable and, your not ready for that process, yet! When you come back to this posting and you have downloaded the new OS to the proper folder goto Procedure 1.

Additional computer to calculator connection instructions click, "Connection Instructions."

Ti 83 Plus OS v.1.19 download click, "Ti 83 Plus OS v.1.19". Save this download to "My Documents \ My TI Data \ Downloads".

Procedure 1.
Take all the batteries out for 10 minutes, including the very small one that you have to use a small philips screw driver to get it out. Watch out for the spring under the small battery, it might pop out. Replace all the batteries after 10 minutes with new ones, including buying a new small battery. The small one might cost about $5. I know it is expensive but, this might work.

A battery reset procedure should bring your Ti 83 Plus back to life.

Make sure the batteries are in correctly? The batteries alternate negative/positive, positive/ negative and so on. The first time I put the batteries in, I didn't have them in correctly. I know if it happen to me that anybody could make the same mistake. And of course, the calculator will never come on if the batteries aren't in correctly.

If your Ti 83 Plus turns on when you put the batteries back in you do not have to re-install the OS. I just think it is better since, your OS might be corrupt.

The process below should reset your calculator.

1). Pressing the [2nd] key followed by pressing and releasing the [Up Arrow] key. This adjust the contrast in case the contrast was to low. Keep repeating if necessary for about 10 seconds and, then go to the next step. If calculator comes on and responds to key functions your done. Once again, if your calculator turns on after this procedure you do not have to re-install the new OS. You can quit these procedures now with a perfectly good calculator.

Please be prepared to re-install the calculator's OS, if you run through this process.

2). Remove one of the AAA batteries. Press and hold the [DEL] key. While holding [DEL], reinsert the AAA battery and then turn the calculator on. The calculator should display
"Waiting...Please install calculator software now". Connect to other Ti 83 Plus and, install OS from that calculator. Or, follow the instructions, I gave at the other posting "Connection Instructions" to reinstall the calculator operating system and, connect the computer and, calculator. You can start where, I say, "Link your computer and, Ti 84 Plus (Your's is a Ti 83 Plus) with the proper cable (USB or Black Link). Upon completion your Ti 83 Plus will be ready to use and, the new OS installed.

Jan 18, 2011 | Texas Instruments TI-83 Plus Calculator

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I am looking on Craigs list at a TI-83 plus that is 5 yrs. old. Is this unit as good as a new one? ( or one that is two yrs. old)

A TI-83 Plus is a TI-83 Plus. An old one may not have the most current firmware or apps, but you can download those from

Sep 16, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I found my old TI-83 plus and put new battieries

Having gone over a month without a response, I assume this is no longer a problem.

Apr 26, 2010 | Texas Instruments TI-83 Plus Calculator

2 Answers

TI-83 Plus Went Dead

Has it been dropped recently? The screen may have cracked from impact. Press the Reset button on the back using a ball point pen.

Nov 16, 2008 | Texas Instruments TI-84 Plus Silver...

1 Answer

Screen damaged...

I promise that nobody will be able to fix your calculator, because these calculators are not fixable. Even if they are, labor costs more than the thing itself. In other words, your son totaled it. If you want, I can sell you a brand new, original package TI-83+ calculator for $45, provided that you send me your broken one. You can pay for your shipping, and I'll pay for mine, so your total for you would come out to approximately $45+$5=$50. That's half of the standard Walmart price. If you have any doubts, you can call the store or go to the website. Or ask you son :) Nobody in the universe will ever give you a better deal, so decide for yourself. You can then charge your **** son $70, and all three of us will be perfectly happy. This might sound too good to be true, but it's not. I need your broken calculator not for parts but for my business, which I can't talk about. So if you're interested in $50, call 713-412-2722, and I'll brief you on the details. My e-mail is, and I hope you can figure out my name.

Feb 29, 2008 | Texas Instruments TI-83 Plus Calculator

2 Answers

Dropped the calculator!

If it is under warranty, thats great. Understand that the typical service tech could charge $40-$100/hr. There is some internal damage that needs a tech to see or fix. If you can find a cheap tech in your area, get it looked at, otherwise at a price of around $100, you could get a new one. Good luck.

Oct 29, 2007 | Texas Instruments TI-83 Plus Calculator

2 Answers

Operating instuctions for my TI-83

Sure! I will give you the DIRECT URL for both the normal TI-83 and the TI-83 Plus and TI-83 Plus Silver Edition!

Here's the one for the TI-83:

And here's the one for the TI-83 Plus and Plus Silver Edition:

Oct 09, 2007 | Texas Instruments TI-83 Plus Calculator

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