Question about Casio FX-9860G Graphic Calculator

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Casio fx-9860g Slim won't draw graph in GRAPH

I'm learning how to use the fx-9860G Slim Graphic Calculator.  I'm following the example in the manual to graph y=3x^2. I enter graph from the menu, input 3, x theta T, x^2, exe.  Then I hit F6, draw.
The calculator flashs the function at the top of the display screen and then a thick dark line appear across the bottom of the screen.  This happens in conics, too.  But I can get it to draw plots in the STAT mode.  I've changed the battery and poked the P key.
What am I doing wrong?

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5 Suggested Answers

marsrover
  • 682 Answers

SOURCE: Installed a wrong OS update version

get battery out-and install it again(after you return the battery)

Posted on Jul 07, 2008

  • 1 Answer

SOURCE: Inputing factors on a casio fx-115es calculator

Unless I am failing to understand your problem, just combine like terms to get:
9x^2+2x+4 and then enter those coefficients into the quadratic solver.
That will get you the two answers -- both of them will be complex.
If you wanted to turn those two answers into factors (complex) of the original equation simply
change the signs on each and put an x in front.
Of course, the quadratic formula would also work.
CG

Posted on Apr 28, 2009

  • 7993 Answers

SOURCE: Casio fx-9860g ............ how to do percent operation

Hello,
[OPTN][LIST] scroll right till you find %. Press the function first then the number. It gives you the percent.
Hope it helps.

Posted on Oct 01, 2009

  • 7993 Answers

SOURCE: solve comlex equation

Hello,
I do not understand what you mean by solve complex equations, but if you want to manipulate complex numbers here are the tools you need to enter your complex numbers. Operations and function evaluations do not need special symbols.

b4c488c.jpg Hope it helps.

Posted on Oct 01, 2009

  • 7993 Answers

SOURCE: how do i generate random numbers on the casio

The random number generator function is called Ran# and can be accessed in RUN mode by pressing:
[OPTN] [F6] [F3] (PROB) [F4] to access the (Ran#) function
In the paragraph above, the bold text in square brackets indicates key presses, while the text in parentheses represents the menus that appear at the bottom of the calculator screen. This also assumes there are no menus on the bottom of the screen when you begin. If PROB is already on the screen, then the [F6] key is not necessary, just press [F3] then [F4] at this point.

The Ran# function generates a random decimal number between 0 and 1. If you need to generate a number with a higher range, then there may be extra steps involved. For example, to choose a random number between 0 and 100, you would enter:
Ran#×100 or Ran#(100)

ec9c0df.jpg
Let's say you want to simulate a dice roll, where you get an integer between 1 and 6. Your first step would be to do:
Ran#×6
This will give you a random decimal number between 0 and 6. But we need an integer, not a decimal. To make it an integer, you would change this to:
Int(Ran#×6)

Press [OPTN] [F6] [F4] (NUM) [F2] to access the (Int)

This now gives you an integer between 0 and 5. We just need to add 1 to the result.
Int(Ran#×6)+1
The result should be an integer between 1 and 6.

04419d1.jpg

Posted on Jul 25, 2010

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Open the window configuration ans set Ymin to -10. You can also access the ZOOM function and select Zoom Standard.

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-15x^4 / 3x = -5x³ for x 0.

You should be able to figure this out without having to resort to a calculator. Note the "for x 0"... the two functions are identical everywhere, except the -15x^4 / 3x version is undefined for x = 0 (3 times 0 is 0 and you cannot divide by 0). The function has a "hole" at this point. -5x³ does not suffer from this defect, for x=0 it simply evaluates to 0, so you have to mention this fact to make it proper.

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I have the Casio FX-9860G Slim, how do i do logs with something other then base 10?


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Hello,
I am aware that the solution provided below is valid for the CFX/FX-9850G/GB/ but I will supply it. I remain convinced it will help you for your calculator.
In the main menu select [STAT] icon to enter Stat mode and display the statistical data lists. Use the satistical data lists to input data and perform statistical calculations. Use the arrows to move the highlighting around the lists.
Exemple: Enter the following values in List 1
1st line enter 90 [EXE]
2nd line 85 [EXE]
3 79 [EXE]
4 75 [EXE]
5 70 [EXE]
6 68 [EXE]
7 56 [EXE]

When finished you press [F2:Calc], then [F1:1Var] and the statistical results appear on screen.
Title of screen : 1-Variable
x bar =74.7142857
Capital Sigma x= 523
Capita Sigma X squared = 39851
x lower case sigma n = 10.5249945
x lower case sigma n-1= 11.3682934
n = 7
Scroll down with Down arrow to access other data
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All you have to do now, is to look at the theory you learned and interpret what these values mean.

Hope it helps.

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1 Answer

Installed a wrong OS update version


get battery out-and install it again(after you return the battery)

Jun 27, 2008 | Casio FX-9860G Graphic Calculator

4 Answers

How to graph linear equation in two variables


I am not quite sure what you are asking...

(1) if asking for graphing y= -2/3x+2, then press [diamond] [F1: Y=] type in .2/3x +2, see graph by [diamond][graph]

(2) if asking for graphing y= -2/3x+a, where a=3x, then first archive a=3x in Home screen by [home], type 3x [sto] a, then go back to y= menu, and type -2/3x+a in Y1

(3) if asking for graphing an equation that is dependent on 2 variables at the same time, use x-y-z axis (aka, change mode to graphing 3-D by [mode]graph [5:3D]) then enter desired equation in y= menu using Z function in terms of x and y aka z(x,y)= ...)

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