Question about Casio FX9750GII Graphic Calculator

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Not found message when trying to get the minium on the graph

Not sure how i should configure the v-window

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Either you have an idea where the extremum (minimum/ maximum) might be (its x-value and maybe its y-value) and you set the center of the graph accordingly, or you zoom out until you locate it.Them you change the center of the graph to be about the position of the extremum. There is no ready made recipe that will work for any function. Just Trial and error. It might help calculating a few values of the function for x=0, x=-10. If the extremum happens to be within the table that the calculator generated to draw the graph, then it will be found.

Posted on Sep 25, 2014

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Posted on Jan 02, 2017

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Win7 Error: no valid installatiion configuration found


Do you have Zonealarm? This may be a message from it. See... http://www.techsupportforum.com/forums/f217/no-valid-installation-configuration-found-650441.html
If the message is from Zonealarm, and you have your license key, I would try uninstalling and then reinstalling it.

Aug 03, 2014 | Microsoft Windows 7 Professional for PC

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On to my second web cam, tried logitech and now microsoft life cam 3.0, no problem with video but can not get any audio!!


Have you set the mic you wish to use with your webcam as Default ?

XP
Plug in your webcam or headset or mic you wish to use with your webcam
Control Panel (Classic View)
Open 'Sounds and Audio Devices' folder and click on the 'Volume' tab - make sure the speakers are not muted, open 'Speaker volume' and set the sliders toward the upper end.
Open 'Audio' tab - make your preferred mic the default device in the 'Sound recording window'
Open 'Volume' below the window to ensure the mic is not muted
Click 'Apply' and 'OK'
Restart your computer
Configure the webcam / mic to your chat program

VISTA
Plug in your webcam or headset or mic you wish to use with your webcam
TEST SPEAKERS
Right click on speaker icon in System Tray or from Control Panel
Select "Playback Devices"
The speaker icon ( checked as working) and volume level graph should be visible
Right click on the volume graph and click "Test"
Left hand speakers followed by right hand should be heard

SET DEFAULT & TEST MIC
Click "Recording" tab.
Right click on the volume graph and select 'Show disabled devices' and 'Show disconnected devices'
To set your preferred mic as default - click the mic font to highlight and click "Properties"
In lower dropbox display "Use this device enable" click 'OK'
Click "Levels" tab and ramp up sliders ( adjust to suit later)
Return to "Recording". Test mic by speaking and make sure volume graph displays

Restart computer

Configure to your chat program

Dec 10, 2010 | Microsoft LifeCam VX-3000 Web Camera

1 Answer

My calculator wont graph when it's set to POL (polar) in MODE! do i need to change something? if so, what? its a new problem but i need my calculator tomorrow!


Before graphing deactivate the statistical plots: Press [2nd][Y=] to access the (STAT PLOTS) configuration screen and press [4:PlotsOff][ENTER]

To draw polar graph, make sure in MODE, POL is highlighted.
Make sure that the angle unit is set to RADIAN
If you want the angle unit to be in degrees you must open the WINDOW editor to modify the values of Theta max to a significant value: 30, 45, 60, 90, 120, 180, 360, otherwise the calculator will take the default value 6.28 (2*PI) in degrees

May 25, 2010 | Texas Instruments TI-84 Plus Calculator

2 Answers

TI-83 Plus Calculator: I am trying to graph an equation and I get the "ER...


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.

May 07, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

Graphing Problems


In home folder (main calculator screen) press [Diamond][F2:Window]] to access Window configuration screen.
Press [F1] ( not mecessary now because the F1 page is open by default). In the F1 page of configuration screen set Xmin=-10,
Xmax=10
Ymin=-10
Ymax=10
Xscale=1.
Yscale=1.

OR
Press [Diamond][F2:Window][F2][6:ZoomStd] (Zoom Standard) to set all values as above.

If a graph is active (axes displayed, or part of a curve is showing) press [F2:Zoom][6:ZoomStd]

Feb 15, 2010 | Texas Instruments TI-89 Calculator

1 Answer

How do u get rid of the ShadeRes in your window setting?


Well, that depends.
The real question is: What are you trying to graph?
If you want to graph function y= f(x), then why are you using the Inequalz application, which draws inequations. The ShadeRes(olution) is a system variable needed by the Inequalz application. You can use the default 3 value or change the value to 4, 5, 6, 7, 8.

When Inequalz runs it takes over the graphing functionalities and impose some changes in the calculator configuration, and one of those changes is the appearance of the ShadeRes variable in the Window configuration screen. Also, once the Inequalz App is launched, it remains in memory until you kick it out of Ram, or clear the RAM

My hunch is that you should not be running Inequalz, so I will show you how to unload it of memory so that you can draw your "regular" graphs.

UNLOADING INEQUALZ
  1. Press the [APPS] key
  2. The screen INEQUAL RUNNING is displayed with the following selections
  • 1:Continue
  • 2:Quit Inequal
  • 3:About
You press [2:Quit Inequal] to unload the Application from the memory.
Return to your regular graphing and a Window configuration screen without the ShadeRes variable.

TO SUM UP
If you are drawing inequations with Inequalz, you cannot get rid of the ShadeRes variable. You can only give it another acceptable value.
If you are drawing "regular" function graphs, unload Inequalz from memory.

Jan 21, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do I graph on the T1 83 plus when an invalid


Hello,
You must have done some statistical calculations. This type of calculations activates the statistical plots. The resulting configuration conflicts with the normal graph configuration.
Before drawing function graphs, you must turn off the statplots:
Press [2nd][Y=] to access (STATPLOT)
Press [4:PlotsOff][ENTER][ENTER] Calculator displays Done.

Then you press [2nd][0] to access the (CATALOG) of commands. Then [PGRM] to enter the letter [C]. Cursor jumps to the first command that starts with the letter c (omitting the Greek symbols). From there, scroll a bit to highlight [ClrAllLists] and press [ENTER][ENTER]. After clearing the lists the calculator displays Done.

You should be able to draw your graphs.
If that does not work, just reset the Ram as described below.
Press [2nd][+] to access (MEM)
Press [7:Reset][1:All Ram][2:Reset].
Press [CLEAR] to erase the Ram Cleared message.

Press [Y=] and enter your functions. Press [ENTER] at the end of each function. Make sure each [=] after Y1, Y2, remains highlighted after the cursor moves to some other location.

Hope it helps.

Nov 12, 2009 | Texas Instruments Office Equipment &...

1 Answer

Graphing


Hello,
If you do not get an error message, then the graph is out of range. Try to zoom out, or play with the window dimensions.
Hope it helps.

Sep 17, 2009 | Texas Instruments TI-86 Calculator

2 Answers

When i grath, there is message " invalid dim"


I think you are saying that when you graph, you get the message "invalid dim"

If you are trying to graph from the y= screen it may me that you have one of the plots on. If this is the case, look at the top of the y= screen. If plot 1, plot 2 or plot 3 has darkened box around it, the plot is on and you need to turn it off. Move your cursor on top of the one that is highlighted and press enter. You should now have the plot turned off and should be able to graph from the y= screen.

Another way to do this is to press 2nd key, plus key and then 7, and then 1 and then 2. This will reset your ram.

Hope this helps

Aug 31, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

I cant get to the standard window on my graphing calculator


Hello,
I am not sure I understand but if you are talking about the ZoomStandard graph window, you access the configuration as follows. Press MENU, Scroll to highlight the [RUN] icon and press [EXE].
Press [SHIFT] [F3:V-Window]. At the bottom of the screen you have the different options . Press [F3:STD].
Hope it helps.

Jul 09, 2009 | Casio FX-9750GPlus Calculator

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