Question about Texas Instruments TI-84 Plus Calculator

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When I turn on the calculator, the screen is stuck with various symbols. What is up with this? How do I get it off?

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This is not the normal behavior of the calculator. What third party games or programs do to the calculator, I have no idea. Terminate the game or application or program that was running either from inside the program (Press the first row keys to find EXIT, or END) or with [2nd][QUIT] or reset the memory. To do the last press [2nd][MEM][7:Reset][1:All Ram][2:Reset][ENTER]ENTER]. Press [CLEAR] to erase the Ram cleared message.

Hope it helps.
Thanks for using FixYa.

Posted on Nov 19, 2009


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I was currently using my TI-83 and the screen started showing these crazy symbols. I decided to change the batteries however; the screen now just comes up black or still show crazy symbols. It still...

this may caused by internal errors. ICs in your calculator must have died.
i think your calculator meets its end of days.. how long you being using this calculator.

Mar 26, 2011 | Texas Instruments TI-83 Plus Calculator

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One of my students got an error message when trying to input simple exponential equations to graph. When I looked at his "y=" page, I found that instead of a / before each y, there is something...

In the y= screen, move to the line in question. Press left-arrow repeatedly to get to the funny symbol. Press ENTER repeatedly to cycle through the various graph styles.

Dec 08, 2010 | Texas Instruments TI-84 Plus Calculator

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How to set the decimal place to 3 places on a casio fx 300ms calculator

Decimal Point and Separator Symbols
You can use the display setup (Disp) screen to specify the symbols you want for the decimal point and 3-digit separator.
• To change the decimal point and separator symbol setting, press the MODE key a number of times until you reach the setup screen shown below.
Display the selection screen. (Disp) 1.
Press the number key ( 1 or 2) that corresponds to the setting you want to use.
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Nov 27, 2010 | Casio FX-300MS Calculator

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When i press Y= button and graph quadratic equations the graphs are not accurate i realized that the symbols to the left of Y1 Y2 Y3... Are different they are no longer lines greater than less than etc....

In the Y= editor, scroll down to the equation in question. Press left-arrow until the cursor goes over the symbol. Press ENTER repeatedly to cycle through the various graphing options.

Jun 24, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

I just changed the battery in my HP 48GX that I haven't used in some time, but the alert symbol is on and nothing else is happening

The following procedure valid for the HP 48G should work for the HP48GX.
Make the calculator perform a
Self test.
  1. Turn calculator on
  2. Press and HOLD the key [ON]
  3. Press and release the key with "E" to its right (the one before last in first row)
  4. Relaese the [ON] key.
It tests the RAM and ROM. You will see various patterns on screen. Afterwards you should see
The self test will continue repeatedly until you perform a
System Halt
  1. Press and HOLD the [ON] key
  2. Press and release the "C" key
  3. Release the [ON] key.
The empty stack should appear.

If you do not see IROM OK and IRAM OK, the calculator requires service.

If the above procedure is successful, you may want
to test the keyboard.
  1. Turn calculator on
  2. Press and HOLD the [ON] key
  3. Press and release the "D" key.
  4. Release the [ON] key
  5. Press and release the "E" key. KBD 1 should appear on the top left corner of the screen.
  6. Starting at the upper left corner of the keyboard, and moving Left to right, press every key in sequence. If you follow the sequence and the keys are functioning properly you should hear a hight pitch sound at each press.
  7. If everything is OK, when you press the last key (+) the screen displays KBD 1 OK.
To exit the keyboard test proceed as described above under System Halt.

If you follow the proper sequence and a hexadecimal number appears after pressing a key, the calculator requires service.
Hope it helps.

Nov 07, 2009 | HP 48gx Calculator

1 Answer

When i turn on my calculator i see a whole bunch of symbols and it is stuck

u see a whole bunch of wht?If its a whole bunch of numbers its maybe because when u turn your calculator off your not erasing it before your turning the off button!!!!!

Oct 12, 2009 | Texas Instruments TI-83 Plus Silver...

1 Answer

Okay... im dumb and i tried to put games on my calculator but that failed... i now have something goofy going on with my graph... the asymptote is different then factory settings... i also have wierd...


[2nd][MEM][7:reset][1:All ram][2:Reset] Memory cleared displays on screen. Some games remain stuck in memory, preventing you calculator from performing correctly.
No you are not dumb. You just have to learn how to get youself out of an unpleasant situation. Truth is a set of corrected errors.

Hope it helps.

Sep 09, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

Texas Instruments Ti-83 Plus Help

possibly water damage... there might be an indicater of this such as one on a cell phone. behind the battery possibly, a small sticker that changes color when dampened.

as for solutions... warrenty? lol

Jan 31, 2008 | Texas Instruments TI-83 Plus Calculator

1 Answer

Weird lines, characters, symbols etc.

It sounds like you need to put in a new set of back-up batteries. They can be found behind where the AA batteries are.

Aug 17, 2007 | Texas Instruments TI-83 Plus Calculator

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