Casio fx-9750GII User Manual page 105

• To change the value of a coefficient that you already stored by pressing
cursor to the coefficient you want to edit. Next, input the value you want to change to.
• Pressing (CLR) clears all coefficients to zero.
4. Solve the equations.
Example To solve the cubic equation (Angle unit = Rad)
x
3
– 2
EQUA
(POLY)
(3)
(SOLV)
Multiple Solutions (Example:
Complex Number Solution (Example:
Complex Mode: Real (page 1-27)
Complex Mode:
Complex Mode:
• Internal calculations are performed using a 15-digit mantissa, but results are displayed
using a 10-digit mantissa and a 2-digit exponent.
• It may take considerable time for the calculation result of a high-order equation of 3rd degree
or higher to appear on the display.
• An error occurs if the calculator is unable to find a solution.
• High-order equation calculations may not produce accurate results when the equation has
multiple solutions.
• After calculation is complete, you can press
re-calculate.
x x
2
– + 2 = 0
x x x
3 2
+ 3 + 3 + 1 = 0)
x 3 x
+ 2
a bi
+
r
4-3
2 x
+ 3 + 2 = 0)
(REPT), change coefficient values, and then
, move the