Question about Texas Instruments TI-89 Calculator

1 Answer

"Internal Error" Message

The calculator keeps giving me the message :"Internal Error" when I tried to enter any calculations or command at all after I put in new batteries (both the internal and the AAA batteries.)

Posted by Nguyen Truong on

  • Anonymous Mar 26, 2014

    Can't use the calculator because it keeps showing the letter E on the screen. I believe it is some kind of error

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1 Answer

Anonymous

Try holding [left][right][2nd][on], that reinitializes the calculator and clears the ram. If that doesn't work you could try reinstalling the OS (refer to manual for details). If it still doesn't work, you will probably have to call TI.

Posted on Jan 18, 2007

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Argument checking!

The calculator does have several error message concerning the argument. For the Request( command the syntax is
Request(Message, VarName)
What you type is stored as a string. It is only after you try to convert it to a value that the calculator looks at its content.
Here is an example where the variable VarName is x
Request ("Variable x", x)
I enter a complex number, manipulate it mildly with no apparent problem. However when I try to convert it to a numerical expression, and store it in the variable x, y, theta, I get a message Error non-real result.
8c34d722-dbfe-4986-87f4-909da5e8317e.png
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1answer

How do I clear ERR:SYNTAX on my TI-84 plus?

When you get an error message you can clear it by pressing the CLEAR button. To prevent the calculator from firing off that message, you have to look at the command you entered. The message says SYNTAX ERROR meaning thet the way you typed in the command and its argument is incorrect. Usually you get a quit or GO TO with any message. To see exactly where there is something wromg select the oprion GO TO and the cursor will be at the exact point where there is an error.
Unfortunately one cannot help you here because you do not specify the command, nor what you wer trying to do when the meassage popped up. The message is generic and not specific. There are scores of commands and an unlimited number of ways to write them wrong.
2helpful
1answer

What is ERR:SYNTAX on ti-84 plus calculator

If you want to correct the error you will have to disclose what you were trying to calculate.
Anyway, each command has to be written in a specific way ( a specific sequence of symbols) to be understood by the calculator.
Foe example, if the command is sin(X) you cannot write it as sin() X or X sin. You must respect the way a command is to be entered, otherwise you get rubbish or a SYNTAX ERROR message.
Usually the calculator will ask you GO TO or QUIT. If you choose GO TO the cursor will jump to the place where the error occurred and you may be able to correct the syntax.
1helpful
1answer

My calculator will not convert .32 .24i into fraction form. It keeps giving me an error message. I have the TI-84 silver edition

The >FRAC command only works for real numbers. For complex numbers you have to convert the two components separately.
0helpful
1answer

Hello, when i try to put some teks on my TI 84+ he gives an error

Anything you enter is interpreted either as a number or a command. if the calculator does nor recognize what you write as a number or a command it gives you an error message.
If you want to use your calculator as a text editor ( a very poor one at that) you should download and install the NoteFolio application. It may already be on your calculator.
To download applications go to this web page
2helpful
1answer

My 1-var stats button is not working it says the

Hi,
You will have to report faithfully the message returned, you cannot use your interpretation of the message. Error messages are codified. Each one will correspond to very particular error conditions. I did check the manual for all possible error messages and there is none that states wrong info.

My hunch is that there are errors in your data, but I can't say what type of error: I do not have the actual message returned. Verify you data, item by item, and try again.

To make sure that the calculator is well configured to do statistics
  1. Press [STAT][5:SetUpEditor][ENTER]
  2. Press [2nd][0] (CATALOG) and press [PRGM] (C) to jump to the first command starting with C.
  3. Scroll down to [ClrAllListsts] and press [ENTER]
  4. Calculator replies Done
Restart your statistical data entry.

Hope it helps.
Thank you for rating this solution

3helpful
1answer

Error message:

Hello,
If you were trying to do paired-variable statistics the lists fo not have the same length, Check you lists and make sure they have the same number of elements.
If you were trying to draw graohs and you got this message, then you should turn StatPlots OFF. To do so press
[2nd][STATPLOT][4:PlotsOff][ENTER][ENTER]
Press [2nd][CATALOG] C. In the list of commands that appear scroll down a bit to reach ClrAllLists. Point to it and press [ENTER][ENTER]. Calculator displays Done.
Restart you graphs.
If you were using matrices, the dimensions may be incompatible for the operation.

If you had spelled what you were doing prior to the error message, I would not have had to guess.
Hope it helps.
0helpful
1answer

Can not display the graphs of functions

Hello,
I have a manual in another language than English, so I do no know exactly or remotely what procedure you refer to, but I have recreated an instance where one gets the error you talk about. I give you the picts.8147bde.jpg When I enter [Diamond][Graph] I get the following message.
bc218f4.jpg
The graph independent variable is x by default, yet I entered cos(f). The calculator is expecting a function of x and I give it a function of some as other entity. Hence the error message. On the command line you cannot change the argument of Y1. It is x by default.

Hope it clarifies things.
12helpful
1answer

Computing N in a TVM calculation (receive Error 5 message)

Hey,
Just found out the answer!
Apparently you can't have both FV and PV positive. Try the calculation with one of them being negative.

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