Polynomial Equations - Casio fx-991EX Quick Start Manual

EQUATION/FUNC

POLYNOMIAL EQUATIONS

The fx-991EX has the computing power to solve polynomial equations up to 4th degree.
To start solving polynomial equations, in the Equation/Func icon,
press i2(Polynomial).
Select the degree of the polynomial. For this example, use a
3rd degree polynomial. Press 3(Degree).
Fill out the template for a 3rd degree polynomial. Type in each
coefficient followed by the p key.
x + 4x +x – 6 = 0
3 2
Press p to solve the equation.
Use the arrow keys (ER) to toggle through the solutions.
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