fx-991EX Quick Start Guide
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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 coefficients that appear in the displayed screen into
the quadratic template, and press
p
.
The solutions are displayed in simplified radical form including
the imaginary unit.
Press
R
to see the second imaginary solution.
EQUATION/FUNC