Casio FX-85ES PLUS - Ratio Calculations (RATIO) (fx-95 ES PLUS only); Ratio Calculations (RATIO)

(INEQ) (aX
2
+ bX + c)
(aX
2
+ bX + c ≧ 0)
1 2 3
Note: Solutions are displayed as shown here
when Linear Display is selected.
Example 3: 2x
3
- 3x
2
≧ 0 (MthIO-MathO)
(INEQ) (aX
3
+ bX
2
+ cX + d)
(aX
3
+ bX
2
+ cX + d ≧ 0)
2 3
Example 4: 3x
3
+ 3x
2
- x
> 0 (MthIO-MathO)
(INEQ) (aX
3
+ bX
2
+ cX + d)
(aX
3
+ bX
2
+ cX + d > 0)
3 3 1
Note: Solutions are displayed as shown here
when Linear Display is selected.
Special Solution Display
• "All Real Numbers" appears on the solution screen when the solution of
an inequality is all numbers.
Example: x
2
≧ 0 (MthIO-MathO)
50