Question about Texas Instruments TI-84 Plus Calculator

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TI 84 will not graph multiple functions simultaneously

I have had the TI84 for more than a year. Recently, it stopped graphing completely because somehow the PLOT 1 PLOT 2 PLOT 3 at the top of the function (Y =) screen were highlighted. Now I can get one fuction at a time....anyone know how to make the TI84 graph multiple functions simultaneously?

Already tried highlighting multiple functions (and only one equal sign will highlight at a time) and already reset Mode to SIMUL. Have also tried changing the line type at the far left of the function...no effect.

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  • 3 more comments 
  • deroches Sep 11, 2008

    can't graph multiple functions

  • lrascal2001 Sep 13, 2008

    Thanks....it fixed it

  • Jay2k3131313 Apr 07, 2009

    my problem is the same but i tried dele that file but the file will nto dele i need help i need this problem fixed by tomorrow moring

  • cf_scantland Apr 07, 2009

    Evidently my transfrm apps has already been accidently activated. When I hit the apps and then transfrm, my calculator automatically launches a program over areas of polygons. The option to uninstall or continue isn't even an option. (This is the advice every site seems to offer me to uninstall the program. I need to uninstall it because it is causing difficulties in my graphing abilities.) HELP!
    Even the Texas instrument site offers nothing for my problem.

  • ccescott
    ccescott Dec 11, 2012

    THANK YOU SO MUCH SNACKS

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  • 32 Answers

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.

Posted on Sep 13, 2008

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Most likely you have the angular mode set wrong. You probably want it set to radians. Press MODE, move to the third line, highlight RADIAN, press ENTER, then 2ND [QUIT].

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You have used the TRansfrm application. It remains in memory and takes over the graphing responsibilities from the native OS. You must kick it out of RAM (No, that will not delete it from the calculator).
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Hello,
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