Question about Texas Instruments TI-84 Plus Calculator

2 Answers

MATH Graph Style Icons

I have a TI-84 Plus. While in the Y= Editor, I only have 3 options for the Graph Style Icons (none of which will allow me to graph more than one equation) and I do not know why. Today, when I tried to graph two equations at once and find their intersections, it would not let me graph them both at the same time.

Can someone PLEASE help me with my problem!

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  • 5 more comments 
  • Anonymous Aug 27, 2008

    I have the same thing !

  • Anonymous Aug 27, 2008

    yea, same. I can't get more than one equation graphed even if I input two different equations in two different lines in the y= editor. I tried turning off statplots, but only the selected equation, whichever one is highlighted, is graphed.

  • horakb
    horakb Sep 21, 2008

    yep same problem and my college professor can't figure it out haha

  • trigteacher Nov 17, 2008

    I have the same problem. It surfaced after I downloaded and ran a program for graphing SLOPE FIELDS.



  • Anonymous Mar 03, 2009

    Thank you so much!
    i have an exam tomorrow and was freaking out

  • steco321 Mar 18, 2009

    i have the same problem. trying to find where two lines intersect but only the highlighted equation is graphed. i noticed that on other ti 84 + calculators the y= screen there is a slash sign on the left but on mine there is a line and an arrow

  • Anonymous Apr 15, 2009

    My TI 84 only gives me three styles of graphing while I'm in the FUNC mode and it will not let me graph multiple graphs at the same time.

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Go to apps menu, go to transform app. click uninstall and go to y= screnn and should be a slash on the left and you should be able to graph more than one equation.

Posted on Mar 18, 2009

You have to uninstall the TRANSFORM application. Hit APPS and then go down to TRANSFRM and when you hit enter it should give you a choice to uninstall. When you uninstall this application, you will be able to graph more than one function at a time.

Posted on Sep 22, 2008

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1 Answer

My TI-84 will graph but it will not show me the table of values. It just shows up blank.


Enter the function using the Y= editor. Pressing [ 2nd ][Graph] (table) will display the table. You can then press [GRAPH] to see the grapg. If you want both graph and table side by side use the split screen feature.
To do so press [Mode]. Scroll down to the last line Full Horiz G-T. Highlight the option G-T. Press the Graph key.

Sep 24, 2013 | Texas Instruments TI-84 Plus Calculator

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I want to know how to graph equations on the TI-84 calculator


You must cast the functions in the so-called functional form y=ax+b. Isolate y for both functions, then open the Y= function editor and type in the second member (right member) of y=ax+b.
You can enter both functions and have them graphed on the same screen. In that case one will be on the Y1= line, the other on the second line.
Make sure that both = signs in the Y= editor are highlighted if you want both functions on the same graph.

Jan 27, 2013 | Texas Instruments TI-84 Plus Calculator

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How to use ti 84 plus calculator to graph linear equations


You have to use Y Editor to define functions on the both sides of the equation and then graph it. Finally option is F5: Intersection.
See captured images for equation 5x+10=-2x-7, y1=5x+10, y2=-2x-7 and x=-17/7












2_26_2012_7_15_54_am.jpg

2_26_2012_7_16_12_am.jpg

Feb 25, 2012 | Texas Instruments TI-89 Calculator

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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.

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Can not bring back the option to graph on the Y axis in the table mode of a TI-84 plus calculator. The entire column to input values into the Y axis of the table is deleted.


If the table has been created by entering a function in the Y= editor, then you can generate the table by just inserting the function again and pressing Table or Graph. If it is some (statistical) table you entered manually and where you chose the x and the corresponding y, then you will have to retype it again. Sorry

Sep 12, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

When i try graphing a sin(x) equation, it is graphed by many verticle lines which outline its shape. how do i get it back to normal?


If you have not used the Inequalz applications (which shades also), then you have chosen an inappropriate (for your purpose) graph style.
To modify graph style, open the Y= editor, highlight the function you want to draw. Use the left arrow to move the cursor to the left of the equal sign and onto the graph style. Highlight graph style and press ENTER. As you keep pressing you can cycle through all the style options.

If you have used the Inequalz application, then you must unload it from memory.
Press the APPS button and use the Up arrow to reach the bottom of the APPS list. Find Ineaqualz, highlight its name and press ENTER. In the subsequent sct=reen, choose the option corresponding to UNINSTALL and press ENTER. After that you can go back to the Y= editor and select the graph style as described above.

Mar 10, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

My TI-84 calculator will only graph one Y= function how do i fix it to make it graph more than one function


n all likelihood, you activated the Trnsfrm applications. Like dictators it does not relinquish power on its own (it stays in RAM) You have to kick out of RAM.
  1. Press the [APPS] key.
  2. Scroll Up or Down (Up is faster) until you locate Trnsfrm.
  3. Highlight it and press [ENTER]
  4. In the screen that is displayed after you press [ENTER], select the Uninstall option.
  5. Once this is done go back to your Y= editor or Press the GRAPH key

Feb 15, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

I used to have the normal Ti-84 Plus, but my sister has it now, and I bought the Ti-84 Plus Silver Edition, but it has a completely different system. For instance it doesn't write the equation on a few...


If you don't have version 2.53MP of the operating system on the TI-84 Plus Silver Edition, you can download it from
http://education.ti.com/educationportal/sites/US/productDetail/us_os_84plus.html

You can check the version of the operating system by pressing 2ND [MEM] 1. The OS version number is on the second line.

Once you're running OS 2.53MP, press MODE to enter the mode editor. Press down-arrow repeatedly to get to the second page. On the top line, highlight MATHPRINT. Press ENTER to select it, then press 2ND [QUIT] to exit the mode editor.

Dec 26, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Graph y1 = 2x +1 if -1< x< 0


Graph 2X PLUS 1 for X in open interval ]-1,0[

It should be entered as follows
(2X plus 1) (X larger than negative 1) (X less than zero)

In [Y=] editor and on line Y1= type your right hand side between parentheses (2X Plus 1). I use the Plus instead of the usual sign because the parser of the web site removes the sign.
[( ]2 [X,T,theta,n] [Plus] 1 [)] [(] [X,T,theta,n] [2nd][MATH] [3: larger than] [(-)] 1 [)] [(] [X,T,Theta,n] [2nd][MATH][5: less than] 0 [)]
Here are some screen captures to help you
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d83c851.jpg

Oct 30, 2010 | Texas Instruments TI-84 Plus Calculator

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