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How to solve quadratic equations using Sharp el531w calculator.

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Kindly check/click this site: http://www.sharpusa.com/files/cal_man_EL531_509.pdf. regards

Posted on May 10, 2009

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1 Answer

Factor quadratic equations


The calculator cannot do symbolic algebra. If equation is aX^2+bX+c=0, write it in the form a(X^2+(b/a)X+(c/a))=0 and solve the quadratic equation X^2+(b/a)X+(c/a)=0. Get the approximate roots X1, and X2 (if they exist) and write your original equation in the for
a(X-X1)(X-X2)=0
Your quadratic polynomial is factored as a(X-X1)(X-X2)

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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.

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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.

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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.
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I want to solve an complex equation on casio fx-570 ES Plus


Your scientific calculator is unable to solve complex equation with complex coefficients. You should try to solve by hand directly using the quadratic formula or by factoring the polynomial in z
failing that, another way would be to set z=x+iy, substitute this for z, carry out the algebra and try to separate real and imaginary parts. But your two equations will constitute a system of two quadratic equations. I am not aware of any general method to solve coupled nonlinear equations.
Good luck.

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How do you input & solve quadratic equations?


The quadratic equation is (-b(+or-)sqrt(b^2-4ac))/2a

Sep 11, 2011 | Sharp ELW535 Calculator

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How do u find the roots of this quadratic equation from the calculator. x^2 + 6x+ 6!


This calculator does not have an Equation solver, so it cannot solve any equation.

Feb 02, 2011 | Sharp ELW535 Calculator

1 Answer

Does this calculator solve quadratics ?


Sorry, it does not solve equations, quadratic or otherwise.

Jan 26, 2011 | Sharp ELW535 Calculator

1 Answer

I am trying to solve a quadratic function using the calculator but i dont seem to be able to do so. For example if i had a question like 5x^2 + 15x +3, how would i use the sharp el-w535 to find the x...


This expression 5x^2+15x+3 is not an equation, therefore it can have any value depending on the value of x. You have to make it an equation before looking for the particular value of x that satisfy your equation 5x^2+15x+3 =0

This calculator cannot solve equations because it does not have an equation solver.

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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.

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