Question about Texas Instruments TI-84 Plus Calculator

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GRAPH hey could u help me with sumthing? i am currently graphing a soccer field on my Ti-84 plus calculator. i have no trouble entering the horizontal lines because there is a y= screen, the problem is that i cant draw vertical lines becaus they are x=B. i have tryed using stats and stat plots, wich worked well untill i got up to graphing the forth vertical lien, because there are only 3 stat plot options (2nd y=) could u help me with this cause i will need about 10 or so vertical lines! could u email me wat to do if i had a line wich was x=3 !! thankyou

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Actually, you can go to your graph, then hit 2nd PRGM, then under DRAW, 4: Vertical and place it wherever you want.

Posted on Feb 24, 2008

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Hey faymalaka
what's up. ok so you can't do what you want to do. It just can't be done. I'm pretty sure it can be done on a casio. however, you can do it just not by graphing. (this is on your TI) ok so first go to 2nd ZOOM and turon off the Axes and the Expr. Then Go to 2nd Prgm. Then go to A or Pen. and you can draw. as long as you first go to pen then you can draw lines and circles and stuff like that. but you must first go to draw then pen. then a suggestion i would save it by hitting 2nd prgm then going right to STO. this allows you to save your drawins as like 1 or 2 or so one. and then if you want to start over from your last picture because you made a mistake just clrdraw and then start over by recalling it. THis is under the store function. by the way the pen turns on and off with the enter button. GOOD luck if you don't get it feel free to ask questions.

Posted on Feb 11, 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

1 Answer

My TI-84 Plus won't let me graph trigonometric functions.


Is it somehow preventing you from graphing, or are you simply not getting the graph you expect?

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].

If it's not the angular mode, please reply to this post and give an example or two.

Mar 22, 2013 | Texas Instruments TI-84 Plus Calculator

1 Answer

Fix the ERR:INVALID DIM message on my TI-84 plus, please.


INVALID DIM error message may occur if you are trying to graph a function that does not involve the stat plot features. The error can be corrected by turning off the stat plots. To turn the stat plots off, press 2nd, STAT PLOT , and
then select 4:PlotsOff.

Mar 26, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

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...

1 Answer

I have a TI-84 Plus and it will not graph two functions at once and I need it to do this for my Calculus homework.


I've had this problem as well. The calculator has a program running on it that will not allow 2 (or more) functions to graph at once. To solve this:

1. Hit the "APPS" button.
2. Scroll down the list (close to the bottom) and find the application called "Transfrm". Press enter.
3. Highlight "Uninstall" and press enter.

Your calculator should now be able to graph as many functions as you would like!
Hope this helps!

Apr 27, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

I want to graph a parabola on my ti-84. i entered the equation in y=, and then i turned on plot on, then i hit graph, but it is showing invalid dim. help please?


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

Oct 29, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Im getting an err: invalid dim on my TI-84 Plus calculator...what do I do?


If the message appears when you try to graph functions deactivate the statistical plots. To do so:

Press [2nd][Y=] to access (STAT PLOTs)
Select [4:PlotsOff] then [ENTER]

That should solve your problem. Post a comment to this thread if you still have trouble graphing.

If the message appears in another context, it sure would help knowing the context of the error.

Apr 18, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How would you enter the following equation to graph on a TI-84 Plus Silver Edition calculator? 2 <= t <= 9


Hello,
To enter the inequation you split it into two inequalities
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Graph is as follows
45078e2.jpg
Use [2nd][CATALOG] to access the relaional operators less than or equal, greater than or equal, and the operator AND.
To access the inequality signs scroll upwards from abs( to reach the bottom of the catalog.
Note: You can use t as variable only in parametric graphs. Use x.
Hope it helps.

Oct 19, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

How to plot the graph y= 3x+x^2=3


Do you mean "graph y=3x+x^2-3" or "solve 3x+x^2=3"?

To graph y=3x+x^-3 press Y=.

Type 3 ALPHA X + ALPHA X ^ 2 - 3 ENTER

Press GRAPH to see the graph.

Mar 21, 2009 | Texas Instruments TI-84 Plus Calculator

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