Texas Instruments Ti-84 Plus C Silver Edition Graphing Calculator Logo

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Posted on Nov 19, 2009
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My TI-84 Plus won't graph two functions at once. Only one equal sign highlights. My math teacher doesn't even know what to do and I really need two functions to show on one graph.

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k24674

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  • Texas Instru... Master 8,093 Answers
  • Posted on Nov 19, 2009
k24674
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Joined: Aug 17, 2009
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Hello,
Turn the satistical plots OFF
Press [2nd][Y=] (STATPLOT). Select or enter 4: to execute the command [PlotsOff] [ENTER]

Clear the lists (statistical lists)
Press [2nd][0] (Catalog]. Press [PGRM] C. The cursor jumps to the first command in catalog that starts with C (The greek letters in names do not matter). Scroll down a bit to reach the command [ClrAllLists]. Select it and press [ENTER].

Try your graphs again.
If you still have problems, just reset the RAM:
Press [2nd][+] (MEM). Press 7 to select [Reset] then [1:All Ram][2:Reset]. Press [Clear] to erase the Ram Cleard message.

Now you should be able to draw the graphs.

Hope it helps.
Thanks for using FixYa.

  • 3 more comments 
  • k24674 Dec 17, 2009

    If the Transfrm App for dynamic graphing has been used, it remains in memory and takes over some of the functionalities of the calculator. If Transfrm is the culprit, it must be unloaded from memory.
    Press Apps, find Transfrm in the list of Apps, select it and press ENTER. The screen should say Transfrm Running 1: to continue, 2: to un-install, and maybe 3:about. Pressing un-install and accepting all subsequent messages will unload app and restore calculator to its innate behavior.


  • Anonymous May 31, 2013

    It was the Transfrm App. Thanks so much!! I have the SAT2 tomorrow, this was a lifesaver.

  • Anonymous Jan 30, 2019

    thanks this was very helpful :)

  • JACOB HARMON
    JACOB HARMON Dec 22, 2019

    Reset the ram worked, thanks.

  • Anthony Bell
    Anthony Bell Oct 27, 2021

    If you have a TI-84 plus with the transformation graphing app (transfrm) just open that and select uninstall.

    Note: I didn't find this on my own, I got this solution off of the TI-84 plus website.

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Related Questions:

9helpful
1answer

My ti-84 is only graphing one linear equation in the y equal when i put two equations in it only show one
The following should help you draw several graphs.
When you enter a function you should press [ENTER] to validate. At the same time, the cursor moves to the next line. Verify that the = sign on the equation already entered is still highlighted.
If for some reason the = sign of an equation is no longer highlighted, use arrow keys to move cursor on the = sign and press [ENTER].

If only one = sign remains highlighted and all others are not, then in all probability the application Transfrm has been executed before and is still lingering in RAM. When in RAM, it takes over the graphing capabilities of the native OS. This prevents you from drawing more than one graph.You must unload it from memory.
  1. Press the [APPS] key.
  2. Scroll down to the line that shows Transfrm.
  3. Highlight it and press [ENTER].
  4. In following screen you are invited to Uninstall or continue.
  5. Press the number to the left of Uninstall. Validate if need be.
  6. Return to the Y= editor to type in functions to graph.
Read full answer
Nov 10, 2010 • Texas Instruments TI-84 Plus Calculator
0helpful
1answer

Every time that I put in a function such as Y1=(square root symbol)100-x^2) Y2= -Y1 and both functions are highlighted at the equal signs, but after I hit trace it will only do Y1. I have experimented and...
Hello,
You can draw several graphs on the same screen and use the TRACE function to move the cursor along a curve and read the values of the x-y coordinates. To move cursor along the same curve you use the left and right arrow keys.
But to jump from one curve to another curve, you use the Up and down arrows. Each time you press the Up or down arrow cursor jumps from the current curve being traced to the next one as they were entered in Y= editor.
Read full answer
Nov 09, 2010 • Texas Instruments TI-84 Plus Calculator
3helpful
1answer

My calculator only graphs one of my functions at a time and I need it to do all of them at once so I can calculate intersections and such. I have the TI-84 Plus. Thanks!
The following should help draw several graphs.
When you enter a function you should press [ENTER] to validate. At the same time, the cursor moves to the next line. Verify that the = sign on the equation already entered is still highlighted.
If for some reason the = sign of an equation is no longer highlighted, use arrow keys to move cursor on the = sign and press [ENTER].

If only one = sign remains highlighted and all others are not, then in all probability the application Transfrm has been executed before and is still lingering in RAM. When in RAM, it takes over the graphing capabilities of the native OS. This prevents you from drawing more than one graph.You must unload it from memory.
  1. Press the [APPS] key.
  2. Scroll down to the line that shows Transfrm.
  3. Highlight it and press [ENTER].
  4. In following screen you are invited to Uninstall or continue.
  5. Press the number to the left of Uninstall. Validate if need be.
  6. Return to the Y= editor to type in functions to graph.
Read full answer
Oct 17, 2010 • Texas Instruments TI-84 Plus Calculator
0helpful
1answer

When i click graph it says "ERR: INVALID DIM" i noticed under "y equal" mode that plot 1 and plot 2 are highlighted. how do i fix this, i need to be able to graph. TI-84 plus calc.
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.
Read full answer
Sep 06, 2010 • Texas Instruments TI-84 Plus Calculator
1helpful
1answer

How to use graphing caculator, TI 84?
Turn StatPlotsOff to avoid errors:
Press [2nd][STATPLOT][4:PlotsOff][ENTER].
  1. Verify that in [MODE] Func is highlighted.
  2. If it is not, use arrow to highlight Func and press [ENTER[ to validate.
  3. Press [Y=] and type in the functions.
  4. Press [ENTER] at the end of each function.
  5. Before pressing [GRAPH], make sure that all the = signs that define the functions to be graphed are highlighted white on black. If one is not highlighted, use arrow to move cursor on the sign and press [ENTER].
  6. Select the graph styles: The small piece of line to the left of a Y that defines a function is the style. Move cursor on it and press [ENTER] . Each [ENTER] (on same line) selects another style.
  7. Press [GRAPH] to see the graphs.
  8. If one of them is missing, verify that its = is still highlighted, then use the [WINDOW] to set the Window dimensions, or the [ZOOM] to adjust.
If you have problems, post a comment to this thread.
Read full answer
Mar 10, 2010 • Texas Instruments TI-84 Plus Calculator
29helpful
4answers

Where is the equal sign on the ti 84 plus
hello sir, Press "second" "math", and it should be the first thing listed. If you need other commands hit "second" "0" that will enter the catalog and you can press any letter (without hitting alpha) to jump to that letter in the list. Please click on the following link to see the manual of the TI-84 Plus Calculator: http://education.ti.com/guidebooks/graphing/84p/TI84PlusGuidebook_Part2_EN.pdf
kindly rate me.. thanks for using fixya..



Read full answer
Mar 03, 2010 • Texas Instruments TI-84 Plus Calculator
0helpful
1answer

TI 84 plus calculator refuses to graph more than one function
Hello,
Please, read the following, even if you already know some of its contents.
  1. Once you enter an equation, the corresponding equal sign is highlighted by default.
  2. Before you draw the 2 graphs, move the cursor to Y3 or Y4 and verify that the = signs for Y1 and Y2 remain highlighted.
  3. If one is not highlighted, move the cursor on it and press ENTER.
  4. If you still have problem, press [2nd][STATPLOTS][4: PlotsOff] [ENTER].
  5. Command PlotsOff echoes on main screen.
  6. Press [ENTER], screen displays Done.
  7. Restart the graphing procedure.
  8. If all else fails, just reset the RAM by pressing [2nd][MEM][7:Reset][1:All RAM][2:Reset], press [CLEAR] to clear the message.
You should make it a habit to clear the RAM every time you start a new type of problem.

Hope it helps.
Read full answer
Nov 10, 2009 • Texas Instruments TI-84 Plus Calculator
6helpful
1answer

My graphing calculator only allows me to graph one line at a time
Hello,
Once you enter an equation the corresponding equal sign is highlighted by default. Before you draw the 2 graphs, move the cursor to Y3 or Y4 and verify that the = signs for Y1 and Y2 remain highlighted. If one is not highlighted, move the cursor on it and press ENTER.

Once all the = signs for all the functions ypu want to draw are highlighted permanently, press the [GRAPH] key.
Depending on the functions ane the window dimensions certain graphs may not show up and one can Zoom out or adjust the window.

If you still have problem, press [2nd][STATPLOTS][4: PlotsOff] [ENTER]
Command PlotsOff echoes on main screen. Press [ENTER], screen displays Done.

If all else fails, just reset the RAM by pressing [2nd][MEM][7:Reset][1:All RAM][2:Reset], press [CLEAR] to clear the message.
You shouild make it a habit to clear the RAM every time you start a new type of problem.

Hope it helps.
Read full answer
Oct 19, 2009 • Texas Instruments TI-84 Plus Calculator
0helpful
2answers

Inequality help for a ti-84 plus silver
In the Y= editor press Left to highlight the = sign, then press ENTER to cycle through the plot styles. Your choices are Line, Thick Above, Below, Path, Animate, and Dot.
Read full answer
Apr 01, 2009 • Texas Instruments TI-84 Plus Calculator
281helpful
1answer

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.
Read full answer
Sep 09, 2008 • Texas Instruments TI-84 Plus Calculator
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