Question about Texas Instruments TI-84 Plus Calculator

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I don't have a problem with my calculator but I need to know on how to put in values for graphing example Xmin=, Xmax=, etc.

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When you have a problem like that ex: 5-x^2 = x -9, how do you know what to set the ymin, ymax at in order to get ur answers to solve

Posted on Jan 29, 2010

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To enter xmin, xmax, xscl, ymin, ymax, yscal values, press the widow button found below the screen. It is the button right by the y= button.

Posted on Oct 03, 2009

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Xmin must be less than Xmax; Ymin must be less than Ymax. If your X variable takes only positive values you can set Xmin=0; if you want to graph y=X^2, you know that all y-values are going to be positive, so there is no need to waste screen real estate by putting Ymin negative.
It is like taking a picture with a camera. You point the viwefinder where the action is.
My suggestion is to set the default values Xmin=-10, Xmax=10, Ymin=-10, Ymax=10. Then look at the graph and locate the part that interests you more and focus on it by zooming in. Your knowledge of the general behavior of the function will help you determine what is worth looking at.
Hope it helps.

Posted on Sep 30, 2009

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1 Answer

Graphs are drawn as the negative

There is nothing mysterious about it. Wittingly or not, you
switched the window limits.
Xmin=6.3, Xmax=-6.3
Ymin=3, Ymax=-3
or some other combinations.
Here is the 1st case (Xmin=6.3, Xmax=-6.3, Ymin=-3, Ymax=3).
The traced point has positive x

Complete switch. The graph looks correct but as
you can see the traced point has positive x,
and negative y.

I did not think the calculator would be that tolerant.

Jan 22, 2014 | Casio FX-9750GPlus Calculator

1 Answer

Graphing cos 2x? i have a TI-86 but i think my problem is something that can be done on any TI calculator, i need to know how to graph cos 2x, all i get is a straight line

Your angle unit is set to degrees. If you do not change the Xmin and Xmax window dimensions to say -180 to -90 for Xmin, and 90 to 180 for Xmax you will not see much of the features of the graph; In the default interval Xmin, Xmax the curve is a staright line.

Sep 17, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

My TI-53 calculator will not graph all it says is ERR: window range

I do not know of any TI calculator with Model number 53, but I will try to give a general answer. If you get a window range error that means that the Window limits are not set correctly. For example, the lower limit in X, Xmin must be algebraically smaller that the upper limit, Xmax. The default for the TI graphing calculators are Xmin=-10, and Xmax=10. Similarly the Ymin must be smaller than Ymax. The default limits for the y-variable are Ymin=-10, and Ymax=10. If your calculator has a Zoom function ( if it is a graphing calculator, it must have it) then Press Zoom key and select Zoom Standard or ZoomStd.

Jul 16, 2011 | Texas Instruments TI-89 Calculator

1 Answer

Is there a way to search a table for a specific value of x or y on the TI-84 Plus. For example, if I graph a function and want to know the y value for this function is when x=1000, is there an easier way...

There are two ways you can do that.

Once the graph is drawn you can use the trace function b y pressing TRACE. With the right and left arrows you can move along the curve. The cursor will move by increments of Delta X, so some points you may be interested in may not appear.
To remedy the situation you can just type in a value of X that is inside the range Xmin , Xmax and press ENTER and the calculator will display the corresponding Y value. This will work only for points inside the interval Xmin, Xmax.

To obtain Y-values outside the Xmin, Xmax interval you can use the fact that Y1, for example, is already defined, and ask the calculator to find a Y-value for you.

Say you want Y1 for X=1000.
  1. In main computer screen you type in 1000 [STO

Oct 05, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer


What is n?

Press [Y=]. In the Y1= line, type [cos] [6] [ALPHA] [X] [)]

Press [WINDOW]. Enter 0 for Xmin. If n is a variable stored in memory, enter 2N for Xmax. Otherwise enter an appropriate value for Xmax. You might also want to put in better values for Ymin and Ymax, such as -2 and 2, respectively. (For a negative number, be sure to use the [(-)] key next to the decimal point and not the [-] key on the rightmost column.)

Press [GRAPH] to see the graph.

Feb 25, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I insert the problem in the Y= button but when I click on graph or trace the 1.QUIT display keeps coming out...What do I do t fix this?

To graph functions, always deactivate the statistical plots
  1. Press [2nd][Y=] to access (STATPLOT) then press [4:PlotsOff]
  2. Command PlostOff echoes on main screen.
  3. Press [ENTER], calculator answers Done.
  4. Open the [Y=] editor to enter your function and
  5. Press [GRAPH].
  6. If you do not see any graph,
  • press [ZOOM][6:ZStandard] or
  • adjust the window dimensions by
  • pressing [Zoom] and
  • setting the Xmin,Xmax,Ymin,Ymax values
  • making sure that Xmin is less than Xmax, and Ymin is less than Ymax.

Feb 23, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

Problems seeing graph on calculator....think it has something to do with limits set on window....what do I do

I take your word for it. If graph is out of range you should zoom out.
But first try [ZOOM][6:Ztandard]. If you still see nothing, press [WNIDOW] and set XMIN=-100, XMAX=100, YMIN=-100, YMAX=100.
Otherwise you must know a few things about the behavior of the function you try to hraph
1. If X is always positif, set XMIN=0
2.If X is always negative, set XMAX=0
3. If Y has only positive values, set YMIN=0
4. If Y has only negative values, set YMAX=0

You can also calculate Y for X=0. Let Y(0) be that value. Then you try to have the Y-Values centerd around it: YMIN=Y(0)-10 and YMAX=Y(0)+10.

Hope it helps.

Oct 22, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

What numbers should the window key have

Xmin is the smallest value of variable X: by default it is -10.
Xmax is the largest value of variable X: by default it is 10.
Ymin is the smallest value of Y default is -10.
Ymax is the largest value of Y default is 10.
You set these values according to the area of the graph you want to see.
If X is always positive, you can set Xmin=0.
If function values are laways positive, eg y=x^2, Ymin=0.
Xscl =1 by default. There will be a tick mark on the X-axis for each X integer.
YScal=1: there will be a tick mark for each integer value of y. If you want tick marks every 0.5 you set Yscal=0.5
Xres=1. Calculator calculates y values say at X, X+1, X+2, etc.
Hope it helps.

Sep 24, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

I can't graph on my ti-84 plus silv. edition

More than likely, you've put in a number in the xmin or xmax that is not correct. put in an xmin of 10 and an xmax of -10 which would be backwards. This could also happen in the ymin or y max.

The easiest way to fix this is to press zoom 6 which wil get you back to the default graph of xmin of -10, xmax of 10 and ymin of -10 and y max of 10.

If you can't see your graph on this screen and need to change the window, just be sure the number in the min for both x & y is smaller than the number in the max. You change your window size by pressing the window button.

Aug 13, 2009 | Texas Instruments TI-83 Plus Silver...

1 Answer

Graph not working

The window ranges you chose may be wrong. Use ZoomStd ( Zooom standard) or use values that satisfy inequalities Xmin less than Xmax and Ymin less than Ymax. make sure the ranges Xmin, Xmax and Ymin, Ymax cover the area of the graph you are interested in.
Hope it helps.

Dec 07, 2008 | Texas Instruments TI-86 Calculator

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