Question about Texas Instruments TI-84 Plus Calculator

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I keep getting an error message when I try to find the power function: f(x)=x(x-2)(x+2)

I have used my TI84 quite a bit but I am stumped on this one

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What do you mean by FIND? What are you trying to find?
The expanded form is x(x^2-4)=x^3-4x
The root of the equation x(x+2)(x-2)=0 are x=0, x=2, and x=-2
If you want to graph it, just enter the Y= function editor and type in the expression. Your calculator function MODE must be set to FUNC, not PAR, POL, nor SEQ.
NOTE: If you get an error it is important to report the exact wording of the message. This will reduce the guess work.

Posted on Feb 25, 2012

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Typus
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SOURCE: Error message on TI-83. What does it mean?

It means that you have put the wrong things together. E.X. String>Equ(x,y) when x dont equal a Yvar. and y dont equal a string number (StrZ, Z=#'s 0-9)

Posted on May 13, 2009

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HELP!! afther I connected my TI-84 plus to my pc, it keeps saying: waiting... Please install operating system now. than it says ERROR! Press any key to turn unit off. then turn unit back on... I've tried...


You cannot get the calculator to behave as you describe just by connecting it to the computer. You must have done some other manipulations.
Try to find a classmate who has the same calculator (TI84 Plus or TI84 Plus Silver Edition) and effect a transfer of the OS from the classmate's calculator using an IO cable.

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Hello.

I am sorry that you are experiencing this error message. It generally indicates that your measured storage capacity in your primary battery is less than 25%. What this means is that your primary battery (601 indicates that it's primary) can only keep a 25% charge. To keep this quite simple for you, please attempt the following.

* Unplug your power cord.

1.) Start up your Laptop and hit the ESC key immediately.
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When I type a problem into the TI84 it will give me the answer with an Error. Example, I type in 2 2 and get 4E0. This happens with everything I enter into the calculator. How to I fix this?


It sounds like you're in scientific or engineering notation.

Press MODE, use the arrow keys to highlight "NORMAL" on the first line, press ENTER and then 2ND [QUIT].

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

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The calculator is not designed to quit on you without giving a fair warning: an error message. There are several Zoom functions, each with its specificities, so saying that the zoom function quit on you does not help a bit.
The safest Zoom you can use without any prior knowledge of the function is the ZoomStd (Zoom standard). It sets Xmin=-10, Xmax=10, Ymin=-10, Ymax=10. That is also what you get if you reset the memory.

You did not explicitly ask a question. Nonetheless I tried to answer with blinders on my eyes. If you still want to understand what you have been doig wrong with the Zoom, post a comment to this thread spelling out what you have been trying to do and the error message you got.

Feb 18, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

TI84 does not work!


Perform a manual Garbage Collect.
  1. Press [2nd][0] to access (CATALOG)
  2. Press [TAN] to jump to first command that starts with G.
  3. Find GarbageCollect
  4. Press [ENTER][ENTER][2:Yes].Garbage collection may take up to 5 minutes
  5. After garbage collection is finished retry transfering data to calculator.

Uninstall and reinstall the TI-Connect software:
  1. Go to Start >> Settings >> Control Panel or Start >> Control Panel and select "Add or Remove Programs".
  2. Locate the TI-Connect software in the list and then choose "Remove".
  3. Once the software uninstall process has completed, please shut down and power off the computer.
  4. Wait approximately 20-30 seconds and then reboot into Windows.
  5. Download and install the latest version of the TI Connect software from the TI Connect Software home page.
  6. Once the TI Connect software install process has completed, restart the computer before using TI-Connect.
  7. Attempt to transfer data to the calculator.
If these steps do not solve the problem contact TI

Jan 30, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Error message on TI-83. What does it mean?


It means that you have put the wrong things together. E.X. String>Equ(x,y) when x dont equal a Yvar. and y dont equal a string number (StrZ, Z=#'s 0-9)

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

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Why do some TI83 program work on a TI84 plus and other don't?


Ti 83 and ti84 really have no difference and operate the same. There was something different or you had varibles used by multiple programs that conflicted w/ the ti84 and it would have done the same on the ti83. If you like to rework it and need help email me at raklein62@yahoo.com

Nov 20, 2008 | Texas Instruments TI-84 Plus Silver...

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TI 84 will not graph multiple functions simultaneously


Turn off transformers. Go to apps and go all the way down until you reach transformers then hit enter. Then a menu should appear and hit uninstall that should fix it.

Sep 09, 2008 | Texas Instruments TI-84 Plus Calculator

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