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The numbers in my calculator become upside down and I couldn't find the reset hole...what should I do?

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1 Answer

Fix an upside down screen


Try doing a calculator reset - remember to get anything you have stored off of it before you reset!

2nd, mem, reset - try all ram, then defaults

Mar 12, 2014 | Texas Instruments TI-83 Plus Calculator

1 Answer

It stopped working and shows an E


when this happen just replace the batteries or turn the calculator upside down. find the reset hole and use thin pin. an office paper clip stretched will suffice. insert it inside the hole and press to hear a click sound. that is how to reset a calcolator.

Dec 11, 2013 | Casio DR-250HD Calculator

1 Answer

Screen upside down


I have seen a lot of questions of this sort but I have never this this inversion in a calculator. You could try to reinstall the Operating system. For the TI83 Plus, the last OS version is 1.19. If it is a TI84Plus/TI83 Plus Silver Edition the OS version number is around version 2.55 MP.

Oct 12, 2013 | Texas Instruments TI-83 Plus Calculator

1 Answer

Upside down and flipped numbers


Hello,
Press [CLEAR] to erase the screen. If that does not work reset the RAM
Press [2nd][MEM][7:Reset][1:All Ram][2:Reset][ENTER]. Then press [CLEAR].
If these steps fail, you should read the article.
Hope it helps.

Sep 30, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Upside down display


I have read that to invert the LCD-screen you just flip the polarisation-plate (the plastic film that sits over the LCD display) 180º, that is, upside down.
Did you or someone opened your calculator? He might have reassembled it wrong. Or was it a prank?
If that was not the case, your best change is to reset the calculator and see if it solves your problem.
To manually reset your graphing calculator:
  • Remove all AAA batteries.
  • Remove the back up lithium battery.
  • Leave the unit empty for 5 to 10 minutes.
  • After the 5 to 10 minutes, place all the batteries back into the graphing calculator.

This process should restore the graphing calculator to the factory settings.

Good Luck!

Sep 10, 2009 | Texas Instruments TI-73 Explorer...

1 Answer

My TI-83 types numbers or shows menus upside down now


Hello,
You sould reinstall the operating system.
Use the link below to install TIConnect software
http://education.ti.com/educationportal/sites/US/productDetail/us_ti_connect.html You can also download the latest OS there.

Install TI connect on your computer and run it to open the main Window. Then connect you calculator to a USB port and, in the TIConnect main window Click the TIDeviceInfo icon. Software will try to retrieve the info. If it does your calculator is fine.

If it tells you Device Not found , Click communication settings in same pop up window where it said Not found, and Select Device, Select Cable, Select Port and Click OK..

If you are lucky and it works, you should reinstall the OS, which can be downloaded from education.ti.com. You drag and drop the OS on the TIconnect main window. Calculator must of couse be connected to computer.

If you have problem with TIconnect, use the calc-to-calc cable to transfer the OS of a working calculator. Yous should be on Receive mode [2nd][Link] --->>Receive. (When both calculators are ready hit enter.) The other calculator, you guessed exactly right, must be on Send [2nd][Link][SEND][G:SendOS]. (When both calculators hit [ENTER])

If all that does not work, then it may be time to head for a place of worship to pray for its resurection, or look for a repair shop.
Hope it helps

Jun 20, 2009 | Texas Instruments TI-83 Plus Calculator

3 Answers

Screen is upside down as I type


Wow. Just wow. How did that person do that?! Anyways, try resetting ALL of the memory, and see if that helps, if not, ask the student what she did so that it can be reversed (probably by doing the same steps in the opposite order.

May 21, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Cannot type numbers etc


Hello,
Press the reset button on the back of the unit. As to the things you want to get rid off, if they are on the top of the screen, they are indicators, to let you see what mode you are using. Some will change when you chande operation mode. There is nothing you can do about it.
However if these symbols are in the center of screen , with numbers to there left (a different number for each) they may be part of the setup procedure. During the setup procedure you are expected to configure your calculator in the mode relevant to the calculations you intend to perform.
What is an upside down p ? Could it be just a b? (as in binary). That is a mode of operation.
Hope it helps.

Feb 12, 2009 | Sharp EL-531VB Calculator

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