Question about Texas Instruments TI-83 Plus Calculator

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Math just want to know how to program calculator do preform solutions to solving eqations by completing the sq. and quadratic formuls

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This calculator has no abc function which is the worst how are you to find an answer with no abc button of function

Posted on Nov 16, 2007

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Go to the math apps

Posted on Nov 04, 2007

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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

How do I solve quadratics on my 531x Sharp calculator?


There is some confusion here.
In stat mode [Quad] the calculator tries to fit a quadratic function to your (already entered) data. It gives you the coefficients a, b, and c of the 2nd degree polynomial that best describes the data.
To solve an equation you need to use the solver not statistics.

Jun 11, 2013 | Sharp el-531x scientific calculator

1 Answer

How do i factor


This calculator is unable to factor a polynomial expression.
In general there are a few factoring methods
  1. Factor by grouping terms
  2. Factor by completing the square (quadratic polynomial)
  3. Factor by finding two integers such their sum is equal to the coefficient of the middle term, and their product is equal to the third (constant term). This is valid for a quadratic polynomial where the leading coefficient (of the x^2 term) is equal to 1. X^2+SX+P
A cubic equation can be solved algebraically, although two solutions may be complex. Use the Cardano formulas. A quartic equation can be solved by the formulas for the quadratic equation, if you transform the quartic equation to look like A(X^2)^2 + B(X^2) +C=0

Jul 31, 2012 | Casio FX-115ES Scientific Calculator

1 Answer

How can I compute quadratic equations using fx-300ES?


You cannot solve the quadratic equation with this calculator. It does not have a solve program.

However if you wnat to create a table of values for a function (any type of function that uses the basic scientific function keys ) you use the TABLE Computational Mode.

You press MODE
You select TABLE
You enter a mathematical expression 3X^2-.33X+ 15
You generate the table of values.

Aug 28, 2011 | Casio fx-300ES Calculator

2 Answers

How to program the calculator TI-nspire to solve the quadratic formula


Whay would you want to go through the hassle of writing a program to solve to solve a quadratic equation`The calculator has two buit-in command to do just that. It has Solve and cSolve (for complex solutions).

Open a calculator sheet, and on the command line, type in solve(ax^2+bx+c=0, x), press ENTER and wait for the solutions

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May 10, 2011 | Texas Instruments TI-Nspire Graphic...

1 Answer

Problem with casio calculator, model 9850g plus


The Solve( command can be accessed in RUN mode by pressing the OPTN button.
In the screen that is then displayed are TABS (at the bottom).
Press [F4:CALC] then [F1:Solve]
The command echoes on the screen, ready to be completed and executed.

Apr 30, 2010 | Casio CFX-9850G Plus Calculator

1 Answer

How to solve a quadratic formula using a casio fx-300 MS


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.

Sep 24, 2009 | Casio FX-300MS 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.

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Hope it helps.

Aug 13, 2009 | Casio FX-9750GPlus Calculator

2 Answers

I am getting a message "Warning: more solutions may exist" How do I fix that?


Hello,

Certain math problems may have multiple solutions; for exemple the quadratic equation ax^2 + bx+ c=0, may have up 2, 1 (double solution) or 0 real solutions.

Your calculator is being nice to you by pointing out that there may be more solutions than the one it has found.


Hope it sets your mind at peace.

Aug 07, 2009 | Texas Instruments TI-89 Calculator

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