Question about Texas Instruments TI-83 Plus Calculator

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My graph looks bigger than normal

When i graph, my graph looks really big than its suppose too and i tried to zoom out but it wont work i tried everything and it wont fix the problem

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Try reseting ur calc. press 2nd->plus button->7->1->2 and then type the problem again

Posted on Jan 15, 2009

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Graphing doesnt show


Depending on the function you are drawing, it is possible that the graph is out of range of the windows dimensions. Try Zooming out to see a bigger portion of the plane. If you know where the function intercepts one of the axes, you might want to center the graph around that point.

Jan 16, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

Hi, I'm trying to graph Y= sin(x) and Y=0.5x at the same time. I know that the 0.5x graph is supposed to look like a line going through the origin diagonally but when I press "ZoomTrig" to get...


Set Zoom to Standard Zoom Std or arrange windows limit as follows
Ymin=-1.2
Ymax=1.2
As to Xmin and Xmax it depends on the angle unit. It would be best for you to use Radians. In that case you can set Xmin=-Pi and Xmax=Pi.

If you are using degrees as angle unit, you must set Xmin=-180 and Xmax=180 to get the sine but you will not be able to see much of the 0.5X function because it will shoot out off the graph.

My unsollicited advice is to use the radian as unit

Feb 21, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

When I'm entering a quadratic function, I'm getting the graph of something that is not a parabola like it should be. However, when I graph x^2 by itself, it looks the way it should. What can I do to fix...


The actual graph depends on the constants (parameters) that are in the equation. Try playing with the dimensions of the window by zooming in or zooming out.
The most interesting part of the graph is the region near the maximum or minimum.
Here is a graph of the function y=X^2-5X 13 when drawn with standard window dimensions
3b585d8.jpg
Not very revealing. However if you press the Zoom key and select [2:ZoomIn] you see this (no changes) but the calculator is ready to accept your input concerning the new center of the graph.
bcd4c3e.jpg
At this stage, use the Arrow keys to move the center of the graph to another point as in the next screen capture.

0e09736.jpg
Notice the new center as a sign on the screen and its coordinates at the bottom. By pressing [ENTER] you get this
fc695b8.jpg
If you keep Zooming in you may end up having something that does not look like a parabola anymore.
4ea7132.jpg

To summarize: Use the Zoom In or Zoom Out functions or find where the minimum/maximum is, center the graph on that point and modify the windows dimensions (Xmin, Xmax, Ymin, and Ymax) so as to get as much of the interesting part of the graph as possible.

Sep 02, 2010 | Texas Instruments TI-83 Plus Calculator

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

Hi , I haVE TI84 SILVER EDITION AND i LOST THE MANUAL ON HOW TO OPERATE IT iM TRYING TO DO GRAPH AND i CAN'T CAN YOU HELP ME I


Here is the link to the manual.
Here is a short tutorial to get you started.
First thing to do before any new type of graphing problem
1. Turn StatPlots OFF : press [2nd][STATPLOT][4:PlotsOff] [ENTER]

Second thing: Clear the statistical lists
2. Press [2nd][0][PGRM] DownArrow to point to ClrAllLists.
3.Press [ENTER][ENTER]

Third thing : Configure the graph type to be FUNCTION graph
4. Press [MODE]. If FUNC (on fourth line) is highlighted. Press [Y=] and start entering the functions.
5. If FUNC is not highlighted, use Down arrow till 4th line, highlight FUNC and press [ENTER]. Press Press [Y=] and start entering the functions.

Fourth thing: Enter function and select them for graphing
1. As you start entering the function Y1=, notice that the = sign becomes highlighted. Press [ENTER] when Y1 is typed in. Make sure the = sign for Y1 remains highlighted as cursor moves to Y2=.
2. Keep entering the functions and verifying that their = signs remain highlighted as cursor moves to another equation.
3. When finished press [ENTER]
4. Look at the graph style for each function: it is a bit of line to the left of each Y. Here is a picture of all the 7 styles.

5d53e23.jpg

To set a graph style, highlight the style to the left of the Y, and press [ENTER]. Each time you press [ENTER] you see a new style, in the order shown on picture.
Avoid the style of Y6, it is bubble, and as such will burst and disappear once graph is finished. Avoid also the triangular ones (for Y3 and Y4) they will shade areas of the graph, and may hide other functions.

Fifth thing: Graph Functions.
1. You can press [GRAPH] to see your graphs.
2. If one curve is missing (and you have not set its style to be rhe bubble), it may be due to the Window dimensions.

Sixth Thing: Set Window dimensions and Zoom.
1. Press [ZOOM][6:ZStandard] to use standard window dimensions.
2. If curve still missing, Press [ZOOM][3:Zoom Out] to zoom out so that you may be able to see a bigger range for the functions.
3. If necessary press [WINDOW] and set the Xmin, Xmax, Ymin,Ymax to values of your own.

d44f2dd.jpg

Dimensions must obey the conditions: Xmin < Xmax, and Ymin < Ymax.

Feb 11, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

I can't graph two functions at the same time (in y=) on a TI-84 Silver Edition. Can you help fix that?


Hello,
You bet I do, provided
1. there are no hardware problems I am not aware of;
2. that you are willing to follow my instructions.

First thing to do before any new type of problem
1. Turn StatPlots OFF : press [2nd][STATPLOT][4:PlotsOff] [ENTER]

Second thing: Clear the statistical lists
2. Press [2nd][0][PGRM] DownArrow to point to ClrAllLists.
3.Press [ENTER][ENTER]

Third thing : Configure the graph type to be FUNCTION graph
4. Press [MODE]. If FUNC (on fourth line) is highlighted. Press [Y=] and start entering the functions.
5. If FUNC is not highlighted, use Down arrow till 4th line, highlight FUNC and press [ENTER]. Press Press [Y=] and start entering the functions.

Fourth thing: Enter function and select them for graphing
1. As you start entering the function Y1=, notice that the = sign becomes highlighted. Press [ENTER] when Y1 is typed in. Make sure the = sign for Y1 remains highlighted as cursor moves to Y2=.
2. Keep entering the functions and verifying that their = signs remain highlighted as cursor moves to another equation.
3. When finished press [ENTER]
4. Look at the graph style for each function: it is a bit of line to the left of each Y. Here is a picture of all the 7 styles.

5d53e23.jpg

To set a graph style, highlight the style to the left of the Y, and press [ENTER]. Each time you press [ENTER] you see a new style, in the order shown on picture.
Avoid the style of Y6, it is bubble, and as such will burst and disappear once graph is finished. Avoid also the triangular ones (for Y3 and Y4) they will shade areas of the graph, and may hide other functions.

Fifth thing: Graph Functions.
1. You can press [GRAPH] to see your graphs.
2. If one curve is missing (and you have not set its style to be rhe bubble), it may be due to the Window dimensions.

Sixth Thing: Set Window dimensions and Zoom.
1. Press [ZOOM][6:ZStandard] to use standard window dimensions.
2. If curve still missing, Press [ZOOM][3:Zoom Out] to zoom out so that you may be able to see a bigger range for the functions.
3. If necessary press [WINDOW] and set the Xmin, Xmax, Ymin,Ymax to values of your own.

d44f2dd.jpg

Dimensions must obey the conditions: Xmin < Xmax, and Ymin < Ymax.

Hope that helps.



5

Oct 29, 2009 | Texas Instruments TI-84 Plus Silver...

2 Answers

I'm trying to graph a line. For the


Hello,
Reset the memory to defaults and you will not get the error.
[2nd][MEM][7:Reset][Defaults] [2:Reset] [ENTER]. Press [CLEAR] and them [Y=] to enter the function. No need to set Zoom. Defaults work fine for y1= 4X+3.
Press [GRAPH].
Hope it helps

Sep 26, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

When i try to graph it says error and wont let me graph


Hello,
Reset calculator to defaults
[2nd][MEM][7][2][2] Defaults set.

[Y=] on line Y1= enter your function then press [GRAPH]
You can draw several graphs on the same screen.
If nothing shows (except the axes) use [ZOOM] to Zoom in or zoom out or use [WINDOW] to change the values of Xmin, Xmax, Ymin, Ymax.

Hope it helps.



Hope it helps

Sep 09, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Wont reset


go to memory and reset all not just ram

Sep 06, 2007 | Texas Instruments TI-83 Plus Calculator

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