Casio fx-9860G AU User Manual page 167

Example To solve the cubic equation (Angle unit = Rad)
x
3 – 2
Procedure
1 m EQUA
2 2(POLY)
2(3)
3 bw-cw-bwcw
4 1(SOLV)
Result Screen
Multiple Solutions (Example:
Complex Number Solution (Example:
Complex Mode: Real (page 1-7-2)
Complex Mode:
Complex Mode: r∠ θ
4-2-2
Quadratic and Cubic Equations
x x
2 – + 2 = 0
x 3 x 2 x
+ 3 + 3 + 1 = 0)
x x
3 2
+ 2
a bi
+
20050401
x
+ 3 + 2 = 0)