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SOLVE LINEAR EQN IN FX 9860GII - Casio FX-9860G Graphic Calculator

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Let us hope the site does not act starngely. Here are some screen capture to help you.
SOLVE LINEAR EQN IN FX - 21c8779.jpg4b6c1ea.jpg
To enter the equation in screen above, use the right arrow.

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You have to enter an initial guess on line X=, a default value may be supplied by calculator: It depends on last value stored in X. Once a value is entered press the F6 key SOLVE LINEAR EQN IN FX - a5b0f3e.jpg/>
289818e.jpg
Press F1: Rept if you want to solve another equation.

Posted on Oct 09, 2010

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How to solve logarithms on a casio fx_9750gii?


You calculate logarithm by using the log key for decimal logs and the ln key for natural logs.

Jul 24, 2014 | Casio Fa-9860-av2.0 Fx-9750gii &...

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Is it possible to solve eqn in this 82ms calculator


Sorry, It is not possible to solve equations on the Casio FX-82 ms. Try the Casio FX-115 ES/ FX-115 ES Plus, FX-991ES/ FX-881 ES Plus C.

Oct 29, 2013 | Casio FX82MS Scientific Calculator

1 Answer

Solving linear equations in 3 variables by matrix method in casio fx-115ES


Press key Mode, first select option 5:EQN (by pressing key 5), then option 2: a_nX+b_nY+c_nZ=d_n (by pressin 2).
Now input coefficients from equations in table (each column is for one variable), just type in number and press =, then use arrows to move to another cell.

Sep 02, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

I wanna solve quadratic equation by FX300ES, but I don't know how to do. Can u help me???


Set the computational mode to EQN: Press [MODE] and select the number corresponding to EQN. You will have the choice between linear, quadratic, or cubic. Select Quadratic. You will be given a template where to enter the values of the coefficients a, b, c. Enter the values of the coefficients in the right order and press [=] at the lower right side.

Jul 14, 2011 | Casio fx-300ES Calculator

1 Answer

How do i solve for the solutions to the simultaneous linear equations on the fx-115es? I don't know how to set up the calculator to do it. 10x-3y+10z=5 8x-2y+9z=3 8x+y-10z=7


Select the EQN computational mode 5:EQN
6_29_2011_11_01_40_pm.jpg
For system of linear equations in 3 unknowns select 2: in the screen below.
6_29_2011_11_02_20_pm.jpg
Arrange the variables in your equations in the same order (x first, y second, and z third).
The coefficients to enter in the editor are the factors of the variables: In your case a_1=10, b_1=-3, c_1=10, d_1=5, a_2=8, b_2=-2, c_2=9, d_2=3; a_3=8, b_3=1, c_3=-10, d_3=7.
To enter d_1, d_2, and d_3 you will have to scroll to the right to reach the cells where they should go.
6_29_2011_11_04_19_pm.jpg
Once finished entering the coefficients, press EXE to get the solutions. You may have to use the arrow Down to display the y- and z-solutions.
I verified that the matrix is non-singular and the system has a solution. In fraction form
x=27/53, y=-1 and 22/53; finally z=-23/53

Jun 29, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

How to do equations the papers that come with it doesn't explain it very well. Is there someplace where I can get a better explaination?


You can solve equations two ways: The EQN computational mode or the SOLVE application.
IN the EQN mode you can solve linear equations in one, two and three unknowns; the quadratic equation; and the cubic equation.
Enter the EQN mode by following the instructions on the following screen capture. Press 5:EQN
6_25_2011_1_06_32_pm.jpg
You have three types of equations.
6_25_2011_1_08_15_pm.jpg
Once you select the type of equations, a template is displayed where you enter the relevant coefficients.

6_25_2011_1_10_10_pm.jpg
Under each label (a, b, etc. ) enter a coefficient and press ENTER to move to the next. With a cubic equation, or a linear equation in 3 unknowns, you have to use the Right arrow to display the cells where you enter the value of d.
After you input all necessary coefficients press the = sign to get the solution.

To use the SOLVE feature, see the screen capture that follows. It comes from the Casio manual.



6_25_2011_1_17_45_pm.jpg

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Good luck

Jun 24, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

How can I solve linear and non-linear equations


Set Computational mode to EQN by pressing [MODE][5:EQN]
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Select the type of equations you want to solve
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Select the relevant otion and get ready to type in the coefficients (the a's, the b's, the c's etc`.)

For more general non-linear equations, use the SOLVE feature.
k24674_18.jpg

Feb 11, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

How to find roots of a polynomial using fx 115 ms


It depends on the degree of the polynomial.
If polynomial is od degree 2 or 3 you can use the EQN mode (the equation MODE) by pressing [MODE][5:EQN] to enter Equation mode then press [3] for quadratic polynomial or [4] for a cubic one.
You will then be prompted for the various coefficients. The canonical form of these polynomials is aX^2 plus bX plus c= 0, and aX^3 plus bX^2 plus cX plus d=0.

If polynomial is of degree higher than 3, or for a general non-linear equation you must use the Solve( feature. See example #017 on page 6 of the appendix to the manual.

Nov 28, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

My fx-9860GII would not connect to my computer. why is it?


You may be using the wrong cord, or you may lack the proper software to use it. If this is the case then you can get it from the link below.

http://software.informer.com/getfree-casio-fx--9860gii-manager-plus/

Aug 23, 2010 | Casio FX-9860G Graphic Calculator

1 Answer

How to set eQUATIONS MODE IN CASIO FX-991ms MODE


Press the [MODE] button 3 times then 1 to enter EQN mode. Then press the right pointing arrow. You can select the degree of the polynomial (2 or 3) or press again the right pointing arrow to select the number of unknowns for simultaneous linear equations( 2 or 3).

The form of the equations are as follows.
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Jul 15, 2010 | Casio FX-115ES Scientific Calculator

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