Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator

# I can't graph two functions at the same time (in y=) on a TI-84 Silver Edition. Can you help fix that?

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• Texas Instru... Master

Hello,
You bet I do, provided
1. there are no hardware problems I am not aware of;
2. that you are willing to follow my instructions.

First thing to do before any new type of problem
1. Turn StatPlots OFF : press [2nd][STATPLOT][4:PlotsOff] [ENTER]

Second thing: Clear the statistical lists
2. Press [2nd][0][PGRM] DownArrow to point to ClrAllLists.
3.Press [ENTER][ENTER]

Third thing : Configure the graph type to be FUNCTION graph
4. Press [MODE]. If FUNC (on fourth line) is highlighted. Press [Y=] and start entering the functions.
5. If FUNC is not highlighted, use Down arrow till 4th line, highlight FUNC and press [ENTER]. Press Press [Y=] and start entering the functions.

Fourth thing: Enter function and select them for graphing
1. As you start entering the function Y1=, notice that the = sign becomes highlighted. Press [ENTER] when Y1 is typed in. Make sure the = sign for Y1 remains highlighted as cursor moves to Y2=.
2. Keep entering the functions and verifying that their = signs remain highlighted as cursor moves to another equation.
3. When finished press [ENTER]
4. Look at the graph style for each function: it is a bit of line to the left of each Y. Here is a picture of all the 7 styles.

To set a graph style, highlight the style to the left of the Y, and press [ENTER]. Each time you press [ENTER] you see a new style, in the order shown on picture.
Avoid the style of Y6, it is bubble, and as such will burst and disappear once graph is finished. Avoid also the triangular ones (for Y3 and Y4) they will shade areas of the graph, and may hide other functions.

Fifth thing: Graph Functions.
1. You can press [GRAPH] to see your graphs.
2. If one curve is missing (and you have not set its style to be rhe bubble), it may be due to the Window dimensions.

Sixth Thing: Set Window dimensions and Zoom.
1. Press [ZOOM][6:ZStandard] to use standard window dimensions.
2. If curve still missing, Press [ZOOM][3:Zoom Out] to zoom out so that you may be able to see a bigger range for the functions.
3. If necessary press [WINDOW] and set the Xmin, Xmax, Ymin,Ymax to values of your own.

Dimensions must obey the conditions: Xmin < Xmax, and Ymin < Ymax.

Hope that helps.

5

Posted on Oct 29, 2009

• k24674 Feb 08, 2010

If that failed to get you graphing, it must be due to the fact that the Transfrm application is running.
When it is executed it takes over the graphing responsibilities of the native OS. To recover the "normal" graphing environment Transfrm must be unloaded from memory.

1. Press the [Apps] key.

2. Use UpArrow (Yes the Up Arrow) to jump to the bottom of the list of Apps.

3. Highlight :Transfrm and press [ENTER]

4. The screen displays : TRANSFRM APP and

• 1:Uninstall

• 2:Continue.
Press 1:Uninstall to unload Transfm app from memory to recover the usual graphing environment.
Another possible culprit is the Inequalz App. To unload it from memory do as for Transfrm above and select option [2:Quit Inequalz.

You might have realized that if we do not guess right away what is ailing a piece of equipment (calculator) , the blame rests with the asker who, strange as it may seem, refuses to divulge precious background information. Fear of calculator identity usurpation?

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Posted on Jan 02, 2017

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## Related Questions:

### How do i graph an equation on a ti-84 plus silver edition calculator?

1. To graph a function, Press [Y=] to enter the function editor.
2. Type in a legitimate function.
3. Press ENTER to validate the function.
4. Press the GRAPH key to draw the graph.
5. Play with the window dimensions or use the ZOOM feature
to see more of the graph (or less).

Try your settings by drawing the function y= x
If you have problem with Invalid Dimension or other errors, turn the
Statistical Plots OFF.
To do so, press [SHIFT] [Y=] to open the Stat Plots.
Type in the number to the left of the Option PlotsOff. Then press ENTER.

Sep 20, 2011 | Texas Instruments TI-84 Plus Silver...

### When i try and graph a function, the screen says ERR: invalid dim. How can i fix this?

You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

Sep 24, 2010 | Texas Instruments TI-84 Plus Silver...

### 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:

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

### Ti-84 plus silver edition will not graph

try going into the memory men (2ND - +), and selecting option 2.  Delete some stuff you know you don't need.  If the problem persists, 2ND - +, this time option 7.  Reset the defaults.  You won't lose anything, it will just reset the settings that may be causing this issue.

Jan 25, 2009 | Texas Instruments TI-84 Plus Silver...

### 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...

### Graphing Issue

Are there funny arrows at the left of your Y= screen?
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

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

### Graphing

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

Mar 04, 2008 | Texas Instruments TI-84 Plus Calculator

### Graphing trig functions

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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