Question about Casio CFX 9850GB Plus Calculator

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Casio cfx-9850gb plus calculators's graph messed up

My casio cfx-9850gb plus graphing calculator's graph is messed up. It has a million vertical lines all over the screen. I don't believe I changed any settings. I did try to graph an absolute value equation and it has been messed up since then.

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  • Casio Master
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Press the RESET button on the back of the calculator. Use a starightened paper clip.

Posted on Jun 23, 2010

  • k24674 Jun 23, 2010

    OOPS starightened = straightened

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1 Answer

I have casio cfx 9859gb plus i dont know how to change from deg to rad pls help


Press SHIFT [SETUP] to bring up the setup screen. Move down to the line beginning "Angle" and select "Rad."

Nov 29, 2010 | Casio CFX 9850GB Plus Calculator

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Defining the domain of the function to be graphed using casio cfx-9580g plus


One simple way to define the domain to be graphed is to set the limits of the domain as the Xmin and Xmax dimensions of the window.

Jun 19, 2010 | Casio CFX-9850G Plus Calculator

1 Answer

Casio CFX-9850GB Plus calculator will not switch on when AC/on pressed, all 4 AAA and 3v backup battery are new.


If it is just a matter of the screen being too dim, you can actually increase the contrast.

  1. Turn calculator ON
  2. Press [MENU] even if you do not see anything
  3. Press [ALPHA][COS] sequence to access the letter E.
  4. Press repeatedly the Right Arrow till the contrast is adequate.

Jun 14, 2010 | Casio CFX-9850G Plus Calculator

1 Answer

How do I change the mode to polar on my CFX 9850GB Plus Calculator?


  1. Turn calculator ON
  2. If you do not see icons press the [MENU] key.
  3. Use the arrow keys to move focus on the [RUN] icon.
  4. Press [EXE]
  5. In RUN screen press the [OPTN].
  6. After you press the down key once you highlight the line "Func Type"
Here is what you see.
8f8f783.jpg

The polar graph type is set by pressing F2:r=. In general r=f(theta). After the F2 key is pressed the Function type changes to r=

1ce8a0f.jpg

Now, if you press the MENU key and use arrows to focus on and select GRAPH, the function entry screen looks as in the picture below (without the 2cos(3theta))

824a5b3.jpg
After you enter the function (use the (X, theta, T) key below the [ALPHA] to enter the theta variable) press EXE to validate.
After drawing the r1=2cos(3theta) curve I opted to change the function to r1=2cos(5theta)
e206d98.jpg

Press F6:Draw to draw the graph. Here is what you get.


e0b8089.jpg

Enjoy.

May 05, 2010 | Casio CFX 9850GB Plus Calculator

1 Answer

How do you fix an MA error when attempting to graph a function? I have even tried to graph simple functions like (X) or (5) and it still says MA error.


A. This is due to a mathematical error such as
  1. dividing by 0,
  2. an illogical operation,
  3. calculations outside the range of a function,
  4. using the exponential function with the [^] key,
  5. logarithm of a negative number,
  6. calculating the factorial of numbers larger that 69,
  7. what have you.
  8. Check the expression of the function you are trying to graph.
B. Reset your calculator and start again: Press the button on the back of the calculator; use a starightened paper clip.Draw the line y=XPress Menu.
  1. Use keys to highlight [GRAPH] and press [EXE].
  2. Make sure the screen that opens says Graph Func Y= at the top.
  3. On the Y1= line enter X (use the [X,theta,T] key under the [ALPHA] key.
  4. Press [F6:Draw].
  5. You should see a staright line passing through the origin (0,0).

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

1 Answer

Do i have only one type of exponencial regression o my 9850gb plus?


Hello,
Th CFX-9850GB Plus is programmed to perform 10 types of regressions, namely
LinearReg: Linear y=ax+b
Med-Med also linear y=ax+b
QuadReg :Quadratic y= ax^2+bx+c
Cubic: y=ax^3+bx^2+cx+d
Quartic: y=ax^4+bx^3+cx^2+dx+e
LogReg, logarithmic: y=a+b*ln(x)
ExpReg, exponential y=a*e^(bx)
PowerReg, power: y= ax^b
SinReg, sinusoidal: y=a*sin(bx+c) +d
LogisticReg, logistic; y= c/(1+a*e^(-bx))

There may be more regression models appropriate for more advanced (specialized) statistics but the ones in the list are all the CFX-9850GB plus offers. However, since the calculator knows a programming language, you may want to implement a particular model.

Hope that helps.

Oct 24, 2009 | Casio CFX 9850GB Plus Calculator

1 Answer

I dont know how to graph


Hello,
Turn calculator [ON]. If you do not see the menu icons, press [MENU]. Use the arrow keys to highlight the [GRAPH] icon.
An entry screen appears where you enter the functions you want to graph.
On the first line you have Y1= . After the equal sign enter 2[x] [X, theta,T] + 1. When finished press [F6: Draw] Your graph appears on the screen. If you see the axes, but no graph, press [Shift][V-Window] and press [F3:Std] then [SHIFT][QUIT] will take you back to the screen where you enter the functions to draw. There press [F6:Draw].

Hope it helps.

Sep 21, 2009 | Casio CFX 9850GA Plus Calculator

1 Answer

I need to make a graph on my CASIO CFX-9850Ga PLUS


Hello,
Turn calculator [ON]. If you do not see the menu icons, press [MENU]. Use the arrow keys to highlight the [GRAPH] icon.
An entry screen appears where you enter the functions you want to graph.
On the first line you have Y1= . After the equal sign enter 2[x] [X, theta,T] + 1. When finished press [F6: Draw] Your graph appears on the screen. If you see the axes, but no graph, press [Shift][V-Window] and press [F3:Std] then [SHIFT][QUIT] will take you back to the screen where you enter the functions to draw. There press [F6:Draw].

Hope it helps.

Jan 28, 2009 | Casio CFX 9850GA Plus Calculator

1 Answer

Confused


Hello,
Here is the link to the user s manual.
http://support.casio.com/manualfile.php?rgn=4&cid=004002005
Hope it helps.

Dec 18, 2008 | Casio CFX 9850GA Plus Calculator

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