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Inequality Calculations
Press (INEQ) to enter Inequality mode. Press ,
or to select an inequality type.
On the menu, press , , or to select the inequality
symbol type and orientation.
Use the Coefficient Editor that appears to input coefficient values.
To solve x
2
+2x -3 < 0, for example, input the coefficients a = 1, b
= 2, c = -3, by pressing 1 2 3 .
Example:
x
2
+ 2x -3 ≥ 0
Display
Key in operation
The following operations are not supported by the Coefficient
Editor: , , , , and also
cannot be input with the Coefficient Editor.
Press to return the Coefficient Editor while the solutions are
displayed.
Values cannot be converted to engineering notation on the
solution screen.
