Casio fx-570MS - Manual (Page 20)

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5 .
Display the imaginary part of the solution.
A r
Each press of A r toggles the display between the real part and imaginary part.
6 .
Display the other solution.
]
This solution is also a complex number, which is the conjugate of the previous solution.
The above example shows us that the solutions for the equation are x = –3, x = 0.5 – 0.866025403 i ,
and x = 0.5 + 0.866025403 i .
Solving Quadratic Equations and Cubic Equations
A r