Question about Texas Instruments TI-84 Plus Calculator

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I can't find the 1/x button on my TI-84 PLUS calculator. I am trying to work a statistics problem using the Chevbyshev Theorem and I can't figure out when the 1/x function is.

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The 1/x is the same as the x^-1 button which is right above the x-square button.

Posted on Jul 07, 2009

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List 1 and list 2


If you are truly talking about the the TI89 calculator there is no command to set Diagnostics ON. This is a command for the TI 83/84 Plus. In the TI 89, the correlation coefficient is displayed by default in the statistical result screen.
In the Ti83/84 open the catalog: Press [2nd][0] (CATALOG).
Press D, then scroll from there until the line DiagnosticOn. Select the line and press ENTER.

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How to calculate quartiles


After storing the statistical data press VARS 5 to select the statistics results. Select PTS and then scroll down to see Q1, Med, and Q3 for the first, second, and third quartile points.

Nov 04, 2012 | Texas Instruments TI-84 Plus Calculator

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How do I compute population standard deviation on the TI 84 plus?


Put the data into a list using whatever scheme you prefer. Press STAT right-arrow to bring up the STAT CALC menu. Select "1-Var Stats" and specify the list containing the data. You'll get a screen showing the various statistical values. The population standard deviation is designated by a lowercase sigma.

Jun 01, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do you fix your tableset in your ti84 calc


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

1 Answer

How to solve mean, variance and standard deviation on the ti 83


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

1 Answer

When i name a list on my calculator (ti 84 plus silver edition) i can't find various stats for it error arguement comes up


If you want to have a trouble-free enjoyment of your calculator, do not rename your statistical lists. Use L1, L2,...L6.

Oct 29, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

My TI-84 calculator keeps saying "ERR:INVALID DIM" whenever I try to graph a function. I have used many different equations and tried to reset the scales and stuff in the "WINDOW" but it keeps saying the...


One of the statistical plots is turned ON and you must turn OFF all the STAT PLOTS.
To do so
  1. Press [2nd][Y=] to access the stat plot configuration.
  2. Select [4:PlotsOff]
  3. Command PlotsOff echoes on main calculator screen
  4. Press [ENTER] to execute it.
  5. Return to your [Y=] screen to define functions to graph.
  6. When finished entering functions press the [GRAPH] button.

Aug 31, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Im getting an err: invalid dim on my TI-84 Plus calculator...what do I do?


If the message appears when you try to graph functions deactivate the statistical plots. To do so:

Press [2nd][Y=] to access (STAT PLOTs)
Select [4:PlotsOff] then [ENTER]

That should solve your problem. Post a comment to this thread if you still have trouble graphing.

If the message appears in another context, it sure would help knowing the context of the error.

Apr 18, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Getting more than 10 equations into y=


The TI 83, 84 seris can not store more than 10 equations. the TI 86 and above can have infinate, but not the 83, 84s. If you have catalog help in your apps, you can run that, and it will be able to tell you all the syntax of every function it has.

Nov 22, 2008 | Texas Instruments TI-84 Plus Silver...

1 Answer

Everytime i hit graph on my TI 84 plus, it keeps saying "ERR: INVALID DIM". how do i make it graph again?


This probably means you have a statistics variable set to on in your graphing screen. Press . If you see one, or more of the plots at the top highlighted you should turn them off.
calcyeqx2plot1on.gifTo turn them off use the  until Plot1 is highlighted. Use the  if needed to move to a highlighted plot. Press .
calcyeqx2.gif

Sep 16, 2008 | Texas Instruments TI-84 Plus Calculator

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