Question about Texas Instruments TI-83 Plus Calculator

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TI-83 Plus screen problem

I was using my calculator to work on problems in class when all of a sudden, strange symbols and numbers started showing up on the screen. It looks like some of the stuff I want shows up, but it is impossible to see it because there are lines and shapes and blank spots obscuring it. When I hit the clear key, some things disappear, but others take their place. What is going on and is there an easy fix? Two weeks ago I wanted to switch my ti-83+ on, but instead of the curser 3 horizontal lines appeared. As the batteries were 4 years old, I though I could solve this problem by changing them. It did until yesterday! Now all I can see are these lines. They even change when I'm typing something in, sometimes the display becomes completly black. What can I do? I really need my ti for uni

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Posted on Jan 02, 2017

SOURCE: Horizontal lines obstructing the second half of the ti 83 calculator screen, anyone know repair tips?

I've had a similar problem in the past with my TI-86. It still happens sometimes when I don't use it for a while. To fix it, all I did was set the screen to its darkest setting and left it on for 10 minutes (keep it from turning itself off, by pushing buttons every few minutes.) One time it was so severe that I had to do it for about 15-20 minutes. It works great, and the calculator is fine unless you leave it unused for a month or so. One thing that I also found helps is if you type several numbers or something to fill up the screen completely and just use the up/down and left/right arrow keys to keep the calc from shutting off. A similar solution may work for you.

Posted on Jul 10, 2007

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SOURCE: TI-83 Plus Silver Edition 1.14

That means that you know your calc crashed. This can be caused by taking out the batteries durring running time, happened just randomly. Well nothing to fear just press clear and it should go away but if it stays on that screen you have problems and is best to try some of these methods. Take out all the bateries and press and hold the on button for 30 seconds. Put the batteries back in and it should have reset. Warning you should archive everything incase this happens. To archive go to 2nd mem and hit enter to put a astrick next to the app (meaning archived)

Posted on Sep 16, 2008

SOURCE: Find the antilog on the TI-83 Plus for finding pH in chemistry problems

how do i find the anilog on my calculator i have a texas instrument ti-30

Posted on Oct 15, 2008

  • 8 Answers

SOURCE: TI-83 Plus calculator--fractions

just type it in, e.g. 1/2 or 3/5. if you want to have answers display as fractions, press [MATH] ENTER.

Posted on May 08, 2009

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SOURCE: TI-83 screen is black

The "color" on your screen reset to dark. You can adjust it by pressing "2nd" and the "up" arrow (or "2nd" and "down" arrow) repeatedly.

Posted on Aug 30, 2009

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TI-83 have adjusted the brightness but can't type or see flashing indicator

If the screen is not busted, adjust the contrast without going all the way to totally dark or to totally blank. Calculators do occasionally become unusable (old age, mishandling).

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No instructions can with this calculator. How do I do simple equations without giving the variable a stored number? It would be nice if these things came with a sampe page. i.e. 3x+2-4x+1. also is there...

Strange. The calculator comes with a Getting Started manual. In any event you can download an electronic copy from
From the associated icon of the calculator, I surmise that you have TI Nspire without the CAS (Computer Algebra System). Unfortunately, this version of the Nspire cannot perform symbolic algebra. It will use the distributive property by itself if you feed it expressions without letter symbols. If you type in expressions with symbols, all symbols must have a value stored in them. The exception is instances where you are trying to solve an equation (or a systems of linear equations).

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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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How to convert a fraction into a decimal

First put the calculator in degree mode.
To convert from fraction to a decimal number first enter your fraction or, mixed number. I'll convert a mixed number to a fraction first since, I don't have a key for the symbol that shows that a number is a fraction on my keyboard. Example: [3][A b/c][1][A b/c][2][A b/cd/e][ENTER]
3/2 should be entered at the home screen. While at the Home screen enter, [2nd][FD][ENTER]
1.5 should now be displayed at the Home screen.
As you can see it is really just using the [A b/c] key to enter in your fraction and, [FD] key to do the converting. The [A_b/cd/e] key isn't necessary because, mixed numbers will convert to decimal numbers just like fractions do. I just don't have the key to show a fraction symbol that the calculator uses. So to show that symbol, I used the / symbol with the fraction number.

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1 Answer

Time problems

Sorry to say it but the DMS key is to convert between Degrees, minutes, seconds and decimal degrees (angle units). This cleared here is how to use the DMS key on this calculator.

Label of key [deg symbol ' "]. It is between [(-)] and [hyp]

To enter a value in decimal degrees
12.58 [deg ' "] [=] Screen displays 12.58 deg on top line and 12 deg 34' 48" on bottom line.
Pressing the [deg ' "] key while this value is displayed will show 12.58

To enter a DMS value:

Press the [deg ' "] key after each number even if one of the numbers D,M,S is nill (0).
Exemple Enter 25 deg 0 ' 48"
25 [deg ' "] 0 [deg ' "] 48 [deg ' "] [=]
Screen displays 25 deg 0' 48" on bottom line
Pressing the [deg ' "] key converts this result to decimal degrees 25.013

Jan 14, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Ti-83 plus silver edition. calc won't turn on.

Well, if screen shows the RAM CLEARED message, that means your calculator is working. Just press the [CLEAR] key, message will be erased and you are ready to crunch numbers.

Hope it helps.

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Black lines on the screen of my ti-83 plus

try to change the contrast of the your calculator.

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

1 Answer

Were working on functions in my calculus class, and i was wondering how do you get Y1 into an equation to stand for f(x)?

If I understand correctly you want to use the graph function Y1, or Y2, an equation. In the [RUN] screen press [VARS][F4:GRPH][F1:Y]. It echoes on the screen as Y. Press 1 and you have Y1.
However, you will not be able to manipulate it symbolically, because that variable contains the value of Y1 for X=0, if you have not drawn it yet. or tha value of Y1 for the last X used to draw the graph Y1=f(X).
The calculator is not capable of manipulating symbolic expressions. what you want it to do is beyond its capabilities.

Hope it helps.

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