Question about Texas Instruments TI-83 Plus Calculator

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There's some kind of mark (like a line)on the screen of my calculator, but its on the inside of the screen and remains there even when the calculator is off. What does this mean/ how can i fix it?

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It is problem screen or TFT change it

Posted on Sep 10, 2009


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I cannot open my memory and plotting a graph does not work, when i pres Y= the screen opens but there is a strange mark (it looks a bit like the play button on my dvd player) at the left side of Y1=. It...

On the Y= screen, go to the line containing the function to be plotted. Press left-arrow until the cursor sits on the strange mark. Repeatedly press ENTER to cycle through the different graph styles. The "normal" style is a diagonal line from upper left to lower right.

Dec 17, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

My calculator only graphs one line and won't graph a second line.

It looks like you played with the Transfrm Application before. It remains in memory and takes over the graphing duties of the native OS. It must be kicked out of memory.

  1. Press [APPS]
  2. Use Up or Down arrows (Up is faster) to get to the bottom of the APPS list.
  3. Locate [:Transfrm], highlight it and press [ENTER]
  4. In subsequent screen, select the [UNINSTALL] option.
  5. Go back to the [Y=] screen and enter or edit your functions.
  6. Press [GRAPH] when finished entering the functions.

Oct 25, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

My touch screen is not working. after a long time

if you kept the batteris inside for long time it could be that they leaked inside when it happend there is some damage inside.
update for the OS sometimes helps

i fix this calculators

Sep 25, 2010 | Casio ClassPad 300 Calculator

1 Answer

How do i calculate cos 30°24'

You must first set angle unit to degree.
Press the [MODE] key a certain number of times until you get to a screen that displays Deg Rad Grad. Press number key 1 to select degree.
Once this is done you can calculate trigonometric functions. To enter angles in DMS you have a key marked with degree symbol, a quotation mark, and a double quotation mark. In what follows that key is represented as DMS.

To calculate cos(30 deg 24')
[COS] 30 [DMS] 24[DMS] [=]

If you get an error message you will have to enter the seconds even if the value is 0
[COS] 30 [DMS] 24[DMS] 0 [DMS] [=]

Sep 11, 2010 | Casio FX-300MS Calculator

1 Answer

My daughter broke the screen of her TI 84 Plus Silver Edition

Even if it were available from TI, the LCD screen is not generally repairable and is either an integrated part of the mainboard (hardwired) or is attached to the mainboard by a ribbon cable. Either way, desoldering and then resoldering is tough even if you own the equipment to do this kind of work. Next option: check eBay for another used calculator.

Jun 20, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

The calculator only allows one line equation to show up at a time. There are also arrows where a division mark should be by the Y1, Y2, etc.

Clear the you the RAM to revert to default settings and restart. I am including screen capture fro a TI to show you how to set up the calculator.


Notice the white-on-black equal signs. For a function to be drawn, the equal sign in its definition must be highlighted. To effect that you scroll left to the = and press ENTER. You will know the function has been selected for graphing if its equal sign remains white-on-black after cursor has moved to another location.

Here is what the 4 functions look like. They all are on same graph.
Now we will change the graph style of the cosine function.

The only difference between the first screen and this one is the style of the line at the left of the Y4. To change the style, you move to the cursor to the left of the Y and press ENTER. Each time you press êNTER, the style for the function in question changes. Here is the product.
The wavy curve (cosine) is now dotted.

Hope it helps.

Oct 05, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Strange markings on the screen, does not respond correctly

Since I do not see the kind of screen you have,

1. I surmise (maybe wrongly) that the split screen is activated.
Press [MODE]. Use [DownArrow] to scroll to where is says Full Horiz G-T. Highlight FULL and [ENTER] Then [2nd][QUIT].
If that does not solve the problem
[2nd][MEM] [7:Reset][2:defaults][2:Reset]

2. An application may be running: Press [ON] button several times to interrupt it. Then clear screen

Hope it helps.

Aug 18, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

My Casio fx-85v Super - fx solar power calculator shows a erratic

Yeah I had the same problem, you need to open your calculator and check if all the screen cables is alright, i had just put sellotape on the back of the screen from inside so that the screen hold better, and it works for me if for you not maybe something broken in the schema but try it. The thing I know for sure the problem is in the screen or from where it get the data the schema. Tell me if it's working

Jul 01, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

T1 83 problems with screen

what you do is hit 2nd button and the down arrow and hold and your screen should eventually lighten up!!
god bless!

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

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