Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator

1 Answer

Graph drawing problem

When I press "Y=" key in order to draw a graph, it gives an error message; "ERR:DATA TYPE"...how can I solve this problem? I need an immediate help!!

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Read the first part of the answer to deactivate the statistical plots. No need to read the rest if you know how to do graphs.

Prepare calculator to graph


Turn StatPlotsOff to avoid errors:
Press [2nd][STATPLOT][4:PlotsOff][ENTER].

graph drawing problem - 8e1f66f.jpg
Setup Graph type

  • Press [MODE] key.
  • In Mode set up screen, make set the angle unit (if you are drawing trigonometric functions)..
  • Use the arrows to move cursor to 3rd line to highlight degree or radian and press [ENTER]. The important thing is that you be aware of the unit so that you do not get unexpected results.
  • On same screen, verify that Func is highlighted. If you are drawing PARametric plots, POLar plots or SEQuence plots, you highlight the relevant item in the list
  • If it is not, use arrow to highlight Func and press [ENTER] to validate.
  • Do not worry if you do not have exactly the same screen as in the screen picture (We may have different OS Versions)
142a378.jpg

Entering the functions to draw (assuming you want to draw y= functions)
  • Press [Y=] to enter function editor.
  • Type in a function
  • Press [ENTER] at the end of each function.
  • 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].
  • In the screen capture 4 functions are slated to be drawn.
3301a18.jpg

Selecting the Graph Style (You may ignore this now, because it is unimportant for just one graph)
  • Select the graph style: 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.
  • On the next screen you have all the styles available on the calculator.
  • Do not select the bubble on line 6: It is for animations. It will not leave a trace at the end of the plot.
    graph drawing problem - 7ed82f0.jpgimg src="http://i.fixya.net/uploads/images/7ed82f0.jpg" alt="7ed82f0.jpg" class="h_mi" />

    Drawing the Graphs
    • Press [GRAPH] to see the graphs.
    • If one of them is missing, verify that its = is still highlighted, then use the [WINDOW] to set the Window dimensions,
    • Here are the dimensions of tgraph drawing problem - 5c26e6c.jpg window
    5c26e6c.jpg

    ZOOMING
    91c4f6f.jpg

    The selection 6:ZStandard sets the dimensions as on the screen Titled Window (above).

Posted on Apr 26, 2010

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1 Answer

Syntax error for graphs


That hardly seems possible. Try graphing the function y=x.
There are a few ways to draw curves on this calculator
  1. Drawing functions
  • Type is y=f(X), the [X,theta, T] key enters X when pressed
3c3cb524-7e6f-42be-83b7-db42d1f64b60.jpg

  • Type POLAR r=f(theta), key [X,theta, T] enters theta w. pressed.
9a65c5e5-216d-45ef-b0f8-7a3e137639b0.jpg

  • Type PARAMETRIC, requires an X=f(T) and Y=g(T) functions
9d190f54-442f-4986-bbd3-b968907454a5.jpg
  • Inequality graphing. You can also draw some functional inequalities such as y> 2X^2-3
  • Dynamic graphing (graphs where some parameter may be changing)
Drawing Relations
There are some other relation you can draw X=, X>, X< , and the drawing of general conics.

f60ac684-e380-4abf-a908-ea7f51a28f95.jpg

I hope that the foregoing remarks help you sort out the problem you are having. If they fail to do that, I suggest that you read the manual that shipped with your Prizm.

Sep 27, 2012 | Casio Prizm FX-CG10 Color Graphing...

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

How do you find the equation of a exponential graph


Usually ypu know the equation then graph it. However in doing statistics, it may appear that the curve of best for a scatter plot could be could an exponential. In that case you use the STAT application to enter the x-data in List 1 and the y-data in List 2. When you finish press the f1 key to select Graph1. You should also verify by Pressing F6:set that the graph type is set to scatter, and that List 1 contains the x-data and List 2, the y-data. After you verify that all is in order press the F1: Graph 1 key.
As the graph is displayed you will see several tabs with various regression models. Pan thr tabs to the right to get to F2:EXP. Select it.
The equation is displayed on the next screen. At the bottom of the screen you see two tabs COPY and DRAW. Press f5:Copy to copy the equation in one of the y= functions.
Press Draw and you will see the curve of best fit superposed on the scatter plot points.

Aug 23, 2011 | Casio FX-9750GPlus Calculator

1 Answer

Want to graph simple functions , like y = x and get error message:" undefined variable".


From the alpha keyboard type in NewProb and press ENTER.
This will clear the contents of all the one-letter variables a-z.
Open the Y= editor and type in an expression for the function to draw.
You do not have to enter a multiplication sign between a numerical factor preceding the variable x and x. If a factor is a letter you must explicitly use the multiplication sign.

8_1_2011_10_57_52_am.jpg
Press the key sequence to draw the graph.

Aug 01, 2011 | Texas Instruments TI-89 Calculator

1 Answer

When I try to graph, I get ERR:INVALID DIM I tried going to PlotsOff and I still can not graph


What happened when you tried going to PlotsOff. Did you actually execute the command?

If you executed that command and cannot graph then for some reason you are feeding lists or matrices as arguments to the functions you want to draw.
By the way are you drawing STATISTICAL GRAPHS or FUNCTION GRAPHS?

If you are drawing statistical graphs and you executed the PlotsOff command, it is normal you will not be able to graph because PlotsOff turns OFF the statistical graphs.

Here are a few things you can do:

If you got the message while trying to draw a graph
  1. Press [2nd][Y=] (STAT PLOT)
  2. Choose option [4:PlotsOff][ENTER]. Screen displays Done
If message popped up while doing something else that involves lists or matrices, the length of lists may be different, or the dimensions of matrices may not be compatible.

To Clear the lists:
  1. Press [2nd][0] (CATALOG)
  2. Press [PGRM] (C) to jump to first command that starts with c.
  3. Use arrow to scroll down to ClrAllLists, select it [ENTER]
  4. Calculator displays Done
  5. Start the new problem.
To reset the Ram press [2nd][+] (MEM) [7:Reset][1:All Ram][2:Reset]. Press [CLEAR] to erase the Ram Cleared message.

Aug 17, 2010 | Texas Instruments TI-84 Plus Silver...

2 Answers

Graphing syntax error


To draw graphs.
  1. Turn calculator ON (isn't that obvious?)
  2. If you see no icons, press [MENU]
  3. Use arrow to move focus on GRAPH and press [EXE]
  4. By default, the graph type is Y=
  5. Enter your equation on line Y1=, use the [X,theta,T] key to enter the X-variable
  6. Press [EXE] when finished entering a function.
  7. Enter other functions if you want.
  8. When done, press [F6:Draw].
  9. If you do not see a big portion of the curve you can press [SHIFT] [F2:Zoom] and select [F5:Auto]
I am enclosing screen captures. The screens you see may not look exactly as on the FX-9750G, but all menu commands you have to execute are accessed by the same key sequences.

4a9f156.jpg

e9b06c8.jpg

28f92ec.jpg
This last one is obtained with the Zoom: Auto
35b6650.jpg

Mar 01, 2010 | Casio FX-9750GPlus Calculator

1 Answer

I tried to draw a graph manually but I kept getting an error message even thoug I did it step by step like the users guide instructions said


Error messages are important to help solve the problem.
Try the following instructions to draw the function Y=5X+2
but first Reset the calculator by pressing the RESET button on back of calculator. I do not want you to run into problems created by old settings.
  1. Turn calculator ON. If you do not see several icons press [MENU].
  2. Use arrow to select the [GRAPH] application and press [EXE].
  3. In the entry screen, the line with Y1= is highlighted. If it is not, use arrow to highlight it.
  4. Press the right arrow, the highlighting disappears leaving you with Y1= and the blinking cursor.
  5. At the position of the cursor type 5 then press the [X, theta,T] key, under the [ALPHA]. On the screen appears 5X, complete your equation by typing [+] 2
  6. Press [EXE] to store function.
  7. If you want to draw other functions, it is time to do so on that screen.
  8. When done, press [F6:Draw].
  9. If the screen does not show a lot of the function, you can use the arrow keys to pan (move the center of the graph. You can pan Up, Down, Left, or Right.
  10. You can also press [SHIFT][V-Window] to set the window limits.

Feb 17, 2010 | Casio FX-9750GPlus Calculator

1 Answer

How do i input the equation f(x)= x^3 -3x+2 (-2,2). I need to graph and fine the local maximum and minimum


I am puzzled by the (-2,2) after the equation. I suspect it is the coordinates of some point. But I won't push the matter further, and I will just ignore that info. I am no mind reader.
  1. Turn calculator ON.
  2. If you do not see icons, press Menu.
  3. Use navigational arrows to highlight [GRAPH] and press [EXE]
  4. Type the function.
  5. Use the [X.T,theta] key below [ALPHA] to type the X variable or the [ALPHA][+]. In general you should use the [X,T,theta] because is context sensitive: If you draw parametric or polar graphs, pressing that key gives you the right variable (T, or theta)
  6. Use the caret [^] 3 to raise X to the third power and complete the function. and press [EXE]
  7. At the bottom of the screen you see some tabs.
  8. Press [F3:Type] and you will see all types of graphs you can draw. But since you want Y=, press [EXIT] to return to Y=editor
  9. Press the Function key to above which you see [DRAW]
  10. Adjust the Window dimensions if necessary
Finding the min and max
  • While the graph is still displayed press [SHIFT][F5:G-Solve].You see all the possible calculationsF1:root, F2:Max,F3:Min,F4:YiCPT (y_intercept),F5:Isct (intersection) F6:=> to show the others, among which is the F3:integral.
  • Press F3:min and hold your breath.
  • After a while you get your minimun. Be patient, even if the small square at the top right disappears.
  • Once you get the minimum, press [SHIFT][F5-G-Solve] and repeat for the maximum.

Feb 01, 2010 | Casio FX-9750GPlus Calculator

1 Answer

How do I set it to factory default settings? When I want to graph or want to do a zoom fit I get a ERR:SYNTAX 1:quit


Seems unlikely that you get a syntax error for both graphing and Zooming. Probably the error is in the function you are trying to graph.

To reset the RAM,
Press [2nd]MEM][7:Reset][1:All Ram][2:Reset] [ENTER]
Calculator answers with Ram Cleared.
Press [CLEAR] button to erase the above message.

Once Ram is cleared, open the [Y=] function editor and at the Y1= line, enter [X,T, theta, n] key or [ALPHA][X], to draw the simple function Y1=X.
If that works, that means your calculator is OK.

Jan 19, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

When I try to graph it says "ERR: INVALID DIM". How do I get rid of that, so I may graph my equations?


Hello,

1. TurnOff the STATPLOTS by pressing [2nd][STAT PLOT][4:PlotsOFF]. Command echoes on the home screen. Press ENTER. Screen displays Done

2. Run the command ClrAllLists to clear the lists. Press [2nd][Catalog] Scroll down till you reach the ClrAllLists command. Highlight and press [ENTER]. Command echoes on main screen, press [ENTER] to execute it. Screen displays Done

3. Make sure you are drawing the right type of graph. To check that press [MODE], scroll down to 4th line to highlight Func and press ENTER, if you are drawing y=f(x) functions. The others are PARametric, POLar, SEQuence.

The above procedures (the first two) are likely to solve your problem. In case that does not work reset the RAM.

Press [2nd][MEM][7:Reset][1:All ram][2:Reset] [ENTER]. Screen shows RAM cleared. Clear the screen and use [Y=] to enter the functions you want to graph.
Hope it helps.

Oct 13, 2009 | Texas Instruments TI-83 Plus Calculator

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