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How to solve quadratic eqn using 82 ms casio - Casio Office Equipment & Supplies

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Posted on Jan 02, 2017

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SOURCE: how to solve a quadratic formula using a casio

Hello,
The calculator does not have a solve program, but you can still use it to solve the quadratic equation with a little effort. If you know the therory skip toward the end.

Let aX^2+bX+C=0
1. First calculate the discriminant usually called Delta and given by
Delta =b^2 -4*a*c store the value in the variable D
If Delta is positive you have two roots X1 and X2 given by
X1=(-b+square root of Delta)/(2*a)
X2=(-b- square root of Delta)/(2*a)

If Delta is equal to 0, X1=X2=-b/(2*a)
If Delta i negative, no real solutions exist

You only solve if Delta is positive or equal to 0.

Putting in the values of a, b, and c
value of a (put you number) [SHIFT][STO] A
value of b (put your value) [SHIFT][STO] B
value of c (put you value) [SHIF][STO] C

[ALPHA] B [X^2] -4[x][ALPHA] A [x][ALPHA] C [=]
Value of delta is displayed. If it is positive, you store its square root in D

[Square root] [ANS] [SHIFT][STO] D ;

Calculate 1/(2*a) and store in variable F
1./(2[x] ALPHA A) [SHIFT][STO] F

To obtain X1
[ALPHA] F [x] ( (-) ALPHA B + ALPHA D ) [=]
To obtain X2
[ALPHA] F [x] ( (-) ALPHA B - ALPHA D ) [=]

Be careful: the (-) is the change sign not the regular minus sign.

Hope it helps.

Posted on Sep 24, 2009

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SOURCE: want to solve quadratic equations on my casio 3650p super fx

Hello,
In your manual, Appendix Program Library, (Page A1) you have the listing of the problem to solve the quadratic equation. Type it in your calculator and execute it.

422b55e.jpg
Hope it helps.

Posted on Oct 02, 2009

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1 Answer

How to solve quadratic equations on fx82ms calculator


You can do it the same way people did it before calculators were invented. Just use the quadratic formula: http://en.wikipedia.org/wiki/Quadratic_formula. Some sophisticated calculators have generalized equation solvers that can handle equations much more complicated than the quadratic, but the fx-82 isn't one of them.

Nov 06, 2013 | Casio FX82MS Scientific Calculator

1 Answer

Quadratic equation fx-82ms


You can do it the same way people did it before calculators were invented. Just use the quadratic formula: http://en.wikipedia.org/wiki/Quadratic_formula, and let the calculator handle the arithmetic. Some sophisticated calculators have generalized equation solvers that can handle equations much more complicated than the quadratic, but the fx-82 isn't one of them.

Nov 06, 2013 | Casio FX82MS Scientific Calculator

1 Answer

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

How do i input quadratics on a casio fx1500?


  • You have several memory locations you can use to store values in them. The memory locations are A,B,C,D, M, X, and Y. You use [SHIFT][RCL] and one of the variable names above. Example store 78 in C location: 78 [SHIFT] [RCL] [HYP]. To recall that value press [RCL] [HYP]

  • If you want to use the EQN (equation solving mode, press [MODE][5:EQN] then select the equation type . For example [3:aX^2+bX+c=0] will display a template wher you input the three coefficients.

  • You can also enter any type of equation and solve it with the SOLVE command. In that case you use the keyboard to enter the expression (see above how to enter variable name X). To type in the equal sign (=) use [ALPHA][ CALC]. Once the whole equation is typed in, press [SHIFT[ [SOLVE], and the calculator will prompt SOLVE for X? Confirm and press the main = sign. Press = again to get a second, a third root (if any)

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1 Answer

How to find values of x in higher order equations(above cube) on casio 570 ES?


In equation mode, you have system of linear equations (3 unknown) you have polynomial (quadratic and cubic), and solver. Use the solver foe any type of equation (nonlinear, polynomial of order higher than 4, trigonometric, exponential, logs).

May 21, 2012 | Casio Scientific Calculator Fx-570 Fx570...

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 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

6_25_2011_1_19_53_pm.jpg
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]
k24674_16.jpg
Select the type of equations you want to solve
k24674_17.jpg
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

Want to solve quadratic equations on my casio 3650p super fx


Hello,
In your manual, Appendix Program Library, (Page A1) you have the listing of the problem to solve the quadratic equation. Type it in your calculator and execute it.

422b55e.jpg
Hope it helps.

Aug 13, 2009 | Casio FX-9750GPlus Calculator

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