Question about Casio CFX-9850G Plus Calculator

Hello,

Since you are drawing graphs of functions, the most obvious cause is that the range of values. It is also possible that you are performing an illogical operation like dividing by zero.

Check that the numeric values are in the correct range.

Hope it helps.

Posted on Sep 19, 2009

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Posted on Jan 02, 2017

That hardly seems possible. Try graphing the function y=x.

There are a few ways to draw curves on this calculator

**Drawing Relations**

There are some other relation you can draw X=, X>, X< , and the drawing of general conics.

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.

There are a few ways to draw curves on this calculator

**Drawing functions**

- Type is y=f(X), the [X,theta, T] key enters X when pressed

- Type POLAR r=f(theta), key [X,theta, T] enters theta w. pressed.

- Type PARAMETRIC, requires an X=f(T) and Y=g(T) functions

- Inequality graphing. You can also draw some functional inequalities such as y> 2X^2-3
- Dynamic graphing (graphs where some parameter may be changing)

There are some other relation you can draw X=, X>, X< , and the drawing of general conics.

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...

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

To Clear the lists:

** Ram Cleared **message.

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

- Press [2nd][Y=] (STAT PLOT)
- Choose option [4:PlotsOff][ENTER]. Screen displays Done

To Clear the lists:

- Press [2nd][0] (CATALOG)
- Press [PGRM] (C) to jump to first command that starts with c.
- Use arrow to scroll down to
**ClrAllLists,**s**elect it [ENTER]** - Calculator displays
**Done** - Start the new problem.

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

It is most likely that the lists you are using as input data are of unequal lengths: One has fewer elements than the other.

I just created a small data set in two lists of unequal length. I was able to draw the scatter plot, but when I wanted to get a regression curve the error message popped up.

I just created a small data set in two lists of unequal length. I was able to draw the scatter plot, but when I wanted to get a regression curve the error message popped up.

Jul 09, 2010 | Casio FX-9860G Graphic Calculator

Here is a screen capture to help you pinpoint the location of the error.

Apr 26, 2010 | Casio FX-7400G Plus Calculator

A. This is due to a mathematical error such as

- dividing by 0,
- an illogical operation,
- calculations outside the range of a function,
- using the exponential function with the [^] key,
- logarithm of a negative number,
- calculating the factorial of numbers larger that 69,
- what have you.
- Check the expression of the function you are trying to graph.

- Use keys to highlight [GRAPH] and press [EXE].
- Make sure the screen that opens says Graph Func Y= at the top.
- On the Y1= line enter X (use the [X,theta,T] key under the [ALPHA] key.
- Press [F6:Draw].
- You should see a staright line passing through the origin (0,0).

Feb 18, 2010 | Casio CFX-9850G Plus Calculator

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.

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.

- Turn calculator ON. If you do not see several icons press [MENU].
- Use arrow to select the [GRAPH] application and press [EXE].
- In the entry screen, the line with Y1= is highlighted. If it is not, use arrow to highlight it.
- Press the right arrow, the highlighting disappears leaving you with Y1= and the blinking cursor.
- 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
- Press [EXE] to store function.
- If you want to draw other functions, it is time to do so on that screen.
- When done, press [F6:Draw].
- 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.
- You can also press [SHIFT][V-Window] to set the window limits.

Feb 17, 2010 | Casio FX-9750GPlus Calculator

A) IF YOU GET AN ERROR MESSAGE,

it might be worthwhile to let us know its contents. If you do get a message ( INVALID DIM) you should turn the statistical plots OFF.

To turn statistical plots off

B) IF YOU DO NOT GET AN ERROR MESSAGE

Usually as soon as you start entering an expression in the Y= editor screen, the = sign is highlighted to ensure the drawing of a function. However, if you have previously used the Transfm application to draw dynamic graphs, it takes over the graphing functionalities from the native OS and you can only draw a single graph.

The reason is that dynamic graphing needs one or two parameters that can be changed during the graphing process and the graph redrawn with a new value of a parameter, and you end up with a family of curves differing one from the other by the values of one parameters. But since the calculator has space for 10 graphs at most, only one function can be highlighted.

To make a long story short, you must Uninstall the Transfrm application from memory. The procedure will not erase it, just kick it out of memory.

Another potential culprit is the Inequalz App. To Uninstall it, do as for the Transfm and select the option that will unload it from memory.

it might be worthwhile to let us know its contents. If you do get a message ( INVALID DIM) you should turn the statistical plots OFF.

To turn statistical plots off

- Press [2nd][Y=] to open the (STAT PLOT) menu.
- Select [4:PlotsOff] and
- Press [ENTER].
- Calculator displays Done
- Restart your graphs.
- Adjust the window dimensions if necessary or use the ZOOM function to have all graphs displayed.

B) IF YOU DO NOT GET AN ERROR MESSAGE

Usually as soon as you start entering an expression in the Y= editor screen, the = sign is highlighted to ensure the drawing of a function. However, if you have previously used the Transfm application to draw dynamic graphs, it takes over the graphing functionalities from the native OS and you can only draw a single graph.

The reason is that dynamic graphing needs one or two parameters that can be changed during the graphing process and the graph redrawn with a new value of a parameter, and you end up with a family of curves differing one from the other by the values of one parameters. But since the calculator has space for 10 graphs at most, only one function can be highlighted.

To make a long story short, you must Uninstall the Transfrm application from memory. The procedure will not erase it, just kick it out of memory.

- Press the [Apps] key.
- Scroll down or up to reach the
Transfmapplication.
- Select it and press [ENTER].
- If that application
was running you will see a new screen that tells you some thing like

- Transfrm App
- 1:Uninstall
- 2:Continue

Press1:Uninstall.

Graphing functionalities will revert to the native OS

Another potential culprit is the Inequalz App. To Uninstall it, do as for the Transfm and select the option that will unload it from memory.

Jan 25, 2010 | Texas Instruments TI-84 Plus Silver...

A) IF YOU GET AN ERROR MESSAGE,

it might be worthwhile to let us know its contents. If you do get a message ( INVALID DIM) you should turn the statistical plots OFF.

To turn statistical plots off

B) IF YOU DO NOT GET AN ERROR MESSAGE

Usually as soon as you start entering an expression in the Y= editor screen, the = sign is highlighted to ensure the drawing of a function. However, if you have previously used the Transfm application to draw dynamic graphs, it takes over the graphing functionalities from the native OS and you can only draw a single graph.

The reason is that dynamic graphing needs one or two parameters that can be changed during the graphing process and the graph redrawn with a new value of a parameter, and you end up with a family of curves differing one from the other by the values of one parameters. But since the calculator has space for 10 graphs at most, only one function can be highlighted.

To make a long story short, you must Uninstall the Transfrm application from memory. The procedure will not erase it, just kick it out of memory.

Another potential culprit is the Inequalz App. To Uninstall it, do as for the Transfm and select the option that will unload it from memory.

it might be worthwhile to let us know its contents. If you do get a message ( INVALID DIM) you should turn the statistical plots OFF.

To turn statistical plots off

- Press [2nd][Y=] to open the (STAT PLOT) menu.
- Select [4:PlotsOff] and
- Press [ENTER].
- Calculator displays Done
- Restart your graphs.
- Adjust the window dimensions if necessary or use the ZOOM function to have all graphs displayed.

B) IF YOU DO NOT GET AN ERROR MESSAGE

Usually as soon as you start entering an expression in the Y= editor screen, the = sign is highlighted to ensure the drawing of a function. However, if you have previously used the Transfm application to draw dynamic graphs, it takes over the graphing functionalities from the native OS and you can only draw a single graph.

The reason is that dynamic graphing needs one or two parameters that can be changed during the graphing process and the graph redrawn with a new value of a parameter, and you end up with a family of curves differing one from the other by the values of one parameters. But since the calculator has space for 10 graphs at most, only one function can be highlighted.

To make a long story short, you must Uninstall the Transfrm application from memory. The procedure will not erase it, just kick it out of memory.

- Press the [Apps] key.
- Scroll down or up to reach the
Transfmapplication.
- Select it and press [ENTER].
- If that application
was running you will see a new screen that tells you some thing like

- Transfrm App
- 1:Uninstall
- 2:Continue

Press1:Uninstall.

Graphing functionalities will revert to the native OS

Another potential culprit is the Inequalz App. To Uninstall it, do as for the Transfm and select the option that will unload it from memory.

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

Set up Audio example

Laptop x webcam/mic x Vista x Yahoo Messenger

If you have an earlier OS, you may have to access your hardware from the Control Panel.

TEST SPEAKERS

Right click on speaker icon in System Tray

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.

To set required mic as default - click on 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

Laptop x webcam/mic x Vista x Yahoo Messenger

If you have an earlier OS, you may have to access your hardware from the Control Panel.

TEST SPEAKERS

Right click on speaker icon in System Tray

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.

To set required mic as default - click on 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

Dec 13, 2009 | Microsoft LifeCam VX-1000 Webcam

...with this process you will erase everything....

press "2nd" function and then "Mem"

then press "F1" and choose "3"

Press ok, and then wait, THAT'S IT!

press "2nd" function and then "Mem"

then press "F1" and choose "3"

Press ok, and then wait, THAT'S IT!

May 20, 2008 | Texas Instruments TI-89 Calculator

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