Question about Texas Instruments TI-84 Plus Calculator

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Quadline program i accidently deleted the quadline program in my calculator. can i restore the information?

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NO you can't.. Once it's gone it's gone it's gone for forever. Sorry

Posted on Oct 25, 2008

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I defined the word "dist" for finding the distance

You can delete any object from memory by pressing 2ND [VAR-LINK], use up/down-arrow to highlight the object, press F1, then select 1: Delete.

You can convert any result to numeric by pressing diamond ENTER. If you want all results to be numeric, press MODE F2, down-arrow to the "Exact/Approx" line, right-arrow, and select "APPROXIMATE."

Dec 31, 2010 | Texas Instruments TI-89 Calculator

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I accidently deleted program on TI-83 plus. How do I retrieve it? Thanks.

If it's a TI program, you can download it from

Otherwise you'll have to get it from where you originally got it. In either case, you'll have to connect the TI to your computer using a USB cable and transfer the program.

Oct 15, 2010 | Texas Instruments TI-84 Plus Silver...

2 Answers

I need to clear the apps so that my students can test. What is the easiest way to do this?

You can reset all of the memory. The RAM, user data archive memory, and system variables are restored to factory settings. All nonsystem variables, applications, and programs are deleted.

Press 2ND [MEM] to display the MEMORY menu.

Select 7 to display the RAM ARCHIVE ALL menu.

Press right/arrow twice to display the ALL menu.

Select 1 to display the RESET MEMORY menu.

To continue with the reset, select 2. The message "Mem cleared" is displayed on the home screen.

May 21, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

Restore factory settings

Did you go to delete all? If so then, that's what will happen. If you have your cord, you can put things back in your calculator like games and such, I'm not sure if it'll cost money and your calculator will be at risk of getting a virus too.

Feb 03, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

A list, L1, was deleted, how do you add L1 back to

Press [STAT][5:SetUpEditor][ENTER]
The list will be restored (not the data)/
Hope it helps.

Oct 28, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Vertical bars

What misses these calculators up a lot is stuff downloaded off the internet. Ti 84 even the APPS seem to miss up. It seems like your calculator is trying to execute a bad APP shell or program. Try to free it up or delete any foreign programming if you have any on the calculator.

Sep 16, 2009 | Texas Instruments TI-83 Plus Calculator

2 Answers

How do I protect programs from deletion? So that even permanent deletion won't exactly delete it. Cheers

Your calculator comes with APPS, but probably didn't come with programs unless you've downloaded some from the TI site or linked a program from another calculator.

Your APPS or programs cannot be deleted without going through the memory mgt/del screen. In other words, you can't press APPS, arrow down to the APP and hit the delete key and delete your APP.

If for some reason you accidentally delete a TI APP or a program, I think as long as you have registered you calculator with TI, you can download the missing APP or program from their site.

To disable APPS & programs (necessary for some standardized tests). With the calculator off, hold down the left and right arrow keys at the same time then press on. A disable screen will come up and you can choose to disable them. However if you do this you will not be able to use them again until you enable them again.

To enable, link to another calculator and send an app or program from that calculator to yours. This will turn your apps and programs back on.

Jun 15, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

Deleted programs on TI-84 plus

Only if you had them backed up somewhere. Just like a computer, calculators need backups.

Mar 22, 2009 | Texas Instruments TI-84 Plus Calculator

4 Answers

How to restore applications on TI-84 Plus Calculator


the best way to get all your applications back is to link your friend's ti-84 plus and make a file backup, ( do this by first installing Ti graphing Product CD wich is included with the calculator) after this just connect your calculator and store the files back onto your calculator! ZOMG??? IS it that easy???
yes it is, just apply some clear thinking and ull be just as smart as i am

Mar 23, 2008 | Texas Instruments TI-84 Plus Silver...

1 Answer

Deletion of programs and applications

There is no way of restoring it, however if your have your usb chord you can go on the Texas Instrument web cite and download the applications you want again. GOOD LUCK hope this helps

Dec 06, 2007 | Texas Instruments TI-84 Plus Silver...

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