Question about Texas Instruments TI-84 Plus Calculator

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I can't turn my TI-84 plus caculator on. I changed the battery and checked everything but it does not work. will I have to by an another one?

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  • kakima May 11, 2010

    Are you certain it's not turning on, and not that the screen is simply too dim? Try adjusting the screen. Turn it ON (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see if anything shows up on the screen.

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It might have gotten wet. If it has, you will have to get another one.

Posted on Feb 03, 2010

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1 Answer

Ln in the ti 84 caculator


The natural log is marked "LN" and is on the key just to the left of the "4" key.

Nov 07, 2013 | Texas Instruments TI-84 Plus Calculator

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How do i get inv on my TI-84 Plus caculator


To get the inverse trigonometric functions press the 2nd key then the trig function key. If you'll look at the key legends above the SIN, COS, and TAN keys you'll see the standard math notations for their inverse function.

Apr 05, 2012 | Texas Instruments TI-84 Plus Calculator

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My ti 84 plus silver edition wont turn on. I


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

If that doesn't work, add a comment to this post and we'll go from there.

May 31, 2010 | Texas Instruments TI-84 Plus Silver...

2 Answers

My TI-83 Plus Calculator will not turn on


This is from TI FAQS:

Solution 11900: Troubleshooting a TI Graphing Calculator That Will Not Turn On.

For the TI-83 Plus Family, TI-84 Plus Family:
Caution: The resets described in these troubleshooting steps will cause a loss of applications, programs and data. If at all possible please create a backup using TI Connect™ first.
  1. Try a new set of AAA batteries.
  2. Adjust the contrast by pressing and releasing the [2nd] key followed by pressing and releasing the up arrow; repeat as necessary. To adjust or lighten the display, use the down arrow.
  3. Remove one of the AAA batteries. Press and hold the [CLEAR] key. While holding [CLEAR], reinsert the AAA battery and then turn the calculator on. The calculator should display the message "RAM Cleared". Release the [CLEAR] key and then press it one more time to remove the message.
  4. 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". Follow the instructions for the TI-83 family or TI-84 Plus family to reinstall the calculator operating system.
  5. Remove all of the batteries including the round lithium battery for 5 minutes. After the 5 minute period, reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary.

Aug 06, 2009 | Texas Instruments TI-83 Plus Calculator

3 Answers

My TI-84 Plus Silver Edition is completely frozen up.


A possible solution is to reset the calculator. It's worth a try.

Take out the backup battery above the regular batteries behind a little door with a screw. Leave it out for about 8 hours along with the 4 AAA batteries. Put it all back together and see if this works. Not sure but it is worth a try.

Jul 03, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

TI-84 Plus Silver Edition turns off immediately, all batteries have been replaced, but unit still turns off. I even replaced the memory battery.


You may need to reset calculator. Take ou the batteries and the backup battery. Leave them out for about 8 hours. Then put everything back in. Hopefully this will work.

May 21, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

TI-84 Plus Calculator will not turn on, says ram is cleared


Thats because the OS is corrupt. Follow the manual and reload the OS, try the 2.43 OS

Feb 23, 2009 | Texas Instruments TI-84 Plus Calculator

2 Answers

Caculator Trouble


Try taking out ALL batteries (including the little round one) and leave them out one whole night.

Oct 31, 2007 | Texas Instruments TI-84 Plus Calculator

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