Casio FX-85ES PLUS User Manual

(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

Casio FX-85ES PLUS Specifications

General

Type	Scientific
Form factor	Pocket
USB port	No
Operation	256
Digits	12 digits
Display number of lines	- lines
Battery type	LR44
Power source	Battery/Solar
Auto power off	Yes
Battery life (max)	27300 h

Weight and Dimensions

Depth	161 mm
Width	80 mm
Height	12.2 mm
Weight	105 g