Special Solution Display - Casio fx-991ZA PLUS II User Manual

Note: Solutions are displayed as shown here
when Linear Display is selected
3
Example 3: 2x - 3x
(INEQ)
3
Example 4: 3x + 3x
(INEQ)
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
≧ 0
an inequality is all numbers.
2
Example: x (MthIO-MathO)
≧ 0 (MthIO-MathO)
2
+ cX + d ≧ 0)
3 2
(aX + bX
3 2
(aX + bX
2
2
- x > 0 (MthIO-MathO)
3 2
(aX + bX
3 2
(aX + bX + cX + d > 0)
3 3
+ bX + c ≧ 0)
2
(INEQ) (aX
2
(aX
1 0
80
+ cX + d)
3
+ cX + d)
1
+ bX + c)
0