Question about Texas Instruments TI-84 Plus Calculator

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Graphing Hello, I am having difficulty with my TI-84 Plus Silver edition. I am unable to graph multiple functions. I can enter the functions in each Y=, but when I select the = sign to select the function, my calculator will not allow more than one function to be selected at a time. I have tried resetting the calculator and have had no success. Thank you for your help. Kate

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  • Anonymous Mar 18, 2008

    My calculator won't graph multiple equations. It just can graph one at a time. Could you please help me figure out what's wrong with it. Thank You

  • Anonymous Feb 27, 2009

    How can i reset my ti-84 plus

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Hi, you can try uninstalling the transformation app in your calculator. This does not really uninstall your application, it only prevents it from interfering with it. You should be able to graph multiple functions after that.

1) Go to APPS
2) Press Transfrm
3) Click Uninstall

Posted on Mar 11, 2008

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6 Answers

Equations


You can't simply enter 7x+9=30 into the calculator, there is a way to calculate what the x is but its been a few years since I've done these..

Oct 03, 2008 | Texas Instruments TI-83 Plus Calculator

1 Answer

I can't select more than one function to graph It only will let me select one function


In order to select additional graphs, the Transformation Graphing Application will need to be uninstalled from the TI-83 Plus Family and TI-84 Plus Family.

More information regarding this matter can be found in the Knowledge Base. The Knowledge Base can be accessed by clicking on the URL below:

http://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetId=65121&nUsePub=NO&jttst0=6_23871,23871,-1,0,&jtfm0=&etfm1=&jfn=ZG14E1108A3A0CD3ABADCD67260B59BDE0CEEA20790F80F708D8A4FDACCD82D31F792BC1B01D2F67ECAE6718104B82CC1C8F

Apr 09, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

I have TI 84 plus and I can't draw multiple lines. When I push enter on = , it just takes it of from another Y.


Hello,
As soon as you start entering a function, the corresponding = sign bcomes highlighted light on dark, signifying that the function is selected to be drawn by default. If you press ENTER while cursor is on the = you are in effect canceling the selection.
That is the normal behavior of the calculator. If it does not behave this way, there must be a configuration setting that is preventing it. The most frequent source of problems for the graphing of functions comes from the satistical plots. If you are interested, you can browse the plethora of answers I have given on this very site, concerning the problem. But if you want to start graphing multiple functions (up to ten), you should reset the calculator RAM. Here is how to do it (if you do not already know):
Press [2nd][MEM][7:Reset][1:All Ram][2:Reset][ENTER].
Press [CLEAR] to dismiss the "Ram Cleared" message displayed.
Press [Y=] and proceed with the graphing of functions.

Hope it helps

Nov 04, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

I own a ti-84 plus silver edition, and when i enter two equations y=2x+3 and y=(-.5x)+3 They should be perpendicular lines.


Hello,
And they are perpendicular. But due to the finite resolution of the screen they do not appear to be. However if you had a geometry application linked with the function graphing the measurement of the angle between the lines will show that it is 90 degrees, or 1.58 rad.
This screen capture from the TI'Nspire will convince you, I hope.

Hope it helps.

2fcd9e7.jpg

Nov 04, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

Graphing a set of points


First click on the Y= button and enter an eqation or goto stat and hit enter and type the points. Afterwards goto Y= then hit plot1 so it is highlighted and hit zoom and then zoomstat and you will have grphed your points.

Mar 02, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

Graphing Issue


Are there funny arrows at the left of your Y= screen?
ti83oops_c.gif The illustration and solution are courtesy of Jesse Phillips, who cites this page from the Texas Instruments support site:
In order to select additional graphs, the Transformation Graphing App will need to be uninstalled from the TI-83 Plus Family and TI-84 Plus Family. Uninstalling the App does not erase it from the calculator, it disables it from interfering with the normal graphing modes. Below are the steps to successfully uninstall the App.
  • Press [APPS] key
  • Select Transfrm from the menu
  • Press 1:Uninstall
http://oakroadsystems.com/math/ti83oops.htm

Mar 19, 2008 | Texas Instruments TI-84 Plus Silver...

2 Answers

Graphing


The first solution will allow you to watch your calculator graph two equations simultaneously rather than finishing one before graphing the next; it won't solve the problem of having the calculator unselect one equation when you select a second. To fix that problem, try the following:


In order to select additional graphs, the Transformation Graphing App will need to be uninstalled from the TI-83 Plus Family and TI-84 Plus Family. Uninstalling the App does not erase it from the calculator, it disables it from interfering with the normal graphing modes. Below are the steps to successfully uninstall the App.
  • Press [APPS] key
  • Select Transfrm from the menu
  • Press 1:Uninstall
The illustration and solution are courtesy of Jesse Phillips, who cites this page from the Texas Instruments support site

- doug garfinkel, Children's Day School

Jan 15, 2008 | Texas Instruments TI-84 Plus Silver...

1 Answer

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Put the calculator in radian mode and it will graph trig functions just fine. If you don't know how to change it to radians, then go to mode and cursor over to select radians. I am assuming you know where the sine, cosine, tangent, etc. keys are.

Dec 31, 2007 | Texas Instruments TI-84 Plus Silver...

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