Question about Texas Instruments TI-84 Plus Calculator

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My calculator works but it you cannot read the answer very well. it is very dim and extreamly hard to see

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  • brodiegreen Feb 23, 2009

    thank you so much!

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I kno how 2 help u my *****..what u gotta do is turn the calculator on right...then press 2nd nd the hold the arrow key up to make it darker or press down 2 make it lighter...thats how u fix it...

Posted on Feb 23, 2009

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Cant graph because it says invalid dim


Press the [2nd][Y=] key sequence to open the (STAT PLOT) configuration. Press [4:PlotsOff] then [ENTER]. Calculator answers Done. You are now ready to draw function graphs.

Aug 15, 2011 | Texas Instruments TI-83 Plus Calculator

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Iturned on the calculator one day and it was very dim. A few dayds later, no read out


BATTERIES, Tim.

Batteries. Batteries. Batteries.

That is the description of what happens to TI Graphing Calculators when the battery power diminishes. The calculator will always reduce its display contrast in order to maximize time till expiration. There should have been prompts to warn you of its impending doom.

So, if it was very dim one day, and failed to display another day; then it most likely lost its battery power.

REPLACE THE BATTERIES.


By the way, your calculator has lost all of its memory when it completely diminishes. So, if you want to avoid losing all of your content then I would suggest your replace the batteries before battery expiration.

Mar 13, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

I have had my ti 83 plus since fall 2005. recently the calculator has informed me to change the batteries. So i replace the backup battery and the main batteries. now it wont even turn on. Help.


The screen may be too dim to read. Try pressing 2ND->Up arrow key repeatedly while the calculator is turned on and it may darken the screen enough so you can read it.

Feb 14, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

My TI-83 plus cannot turn on even i change a new set of battery ?


The screen may be too dim to read. Try pressing 2ND->Up arrow key repeatedly while the calculator is turned on and the screen should start to darken so that you can read it.

Feb 10, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

My TI 83 Plus does not turn on. I have replaced the batteries and the backup battery. I have tried all the troubleshooting solutions given but still it does not turn on. What can I do now?


The screen may be too dim to read. Sometimes when the batteries are low, the screen automatically dims itself. The problem is, it doesn't undo that when the batteries are replaced. Try pressing 2ND->Up arrow key repeatedly while the calculator is turned on and the screen should start to darken so that you can read it.

Jan 29, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

TI 83 plus calculator has dim screen.


TI calculators have an annoying habit of dimming the screen when the batteries are changed. 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.

Jul 19, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

TI-83 Plus Calculator: My TI-83 reads "INVALID DIM" when I try to graph a...


You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

May 17, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

Matrix


Here is copy of the answer I posted to a question on how to use Matrices. Read it carefully. It helped a few people, and there is no reason why it should not help you too. If after a bona fide effort to understand it you still have a problem, post a comment here. What I am saying, is do not just shoot the answer, try it first.

First you must set Matrix calculation
[MODE][6:Matrix].
  1. Then By entering one of the numbers [1:MatA] or [2:MatB] or [3:MatC] you get to choose the dimensions of the matrix (mxn)
  2. Once finished entering the matrix you clear the screen.
The operations on a single matrix are available by pressing[Shift][Matrix]. They are
  • [1:Dim] to change the dimension of a matrix (in fact redefining the matrix)
  • [2:Data] enter values in a matrix
  • [3:MatA] access Matrix A
  • [4:Matb] access Matrix B
  • [5:MatC] access matrix C
  • [6:MatAns] access the Answer Matrix (the last matrix calculated)
  • [7:det] Calculate the determinant of a matrix already defined
  • [8:Trn] The transpose of a matrix already defined
Operations involving 2 matrices
  1. To add matrices: MatA+MatB
  2. To subtract: MatA-Matb
  3. To multiply: MatAxMatB
  4. To raise a matrix to a power 2 [x2], cube [x3]
  5. To obtain inverse of MatA already defined MatA[x-1] where [x-1] is the x to the power -1 key
Dimensions of matrices involved in operations must match (see you textbook for the rules). Read the appendix to your user manual, there are several examples.

Jan 07, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

My TI 84's screen went black.


One possible solution is to dim the screen contrast. To do this, turn the calculator on press the 2nd key, then the up arrow. If contrast has been darkened, this should work. To darken the screen if you get it too light, you do the same, but use the down arrow. Hope this helps.

Oct 01, 2009 | Texas Instruments TI-84 Plus Silver...

2 Answers

DIM SCREEN!!!!!!!!


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.


Mar 19, 2008 | Texas Instruments TI-85 Calculator

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