Casio fx-991EX - Page 44

fx-991EX Quick Start Guide44
The fx-991EX has the power to solve polynomials in the complex plane.
Press i and change the type of polynomial to
quadratic (2).
Enter the coefcients that appear in the displayed screen into
the quadratic template, and press p.
The solutions are displayed in simplied radical form including
the imaginary unit.
Press R to see the second imaginary solution.
EQUATION/FUNC