Casio fx-115ES User Manual

E-55
Press this key: When you want to input this:
5(Not)
“Not(” function, which returns the result of a
bitwise complement
6(Neg)
“Neg(” function, which returns the result of a
two’s complement
•Negative binary, octal, and hexadecimal values are produced by
taking the binary two’s complement and then returning the result
to the original number base. With the decimal number base,
negative values are displayed with a minus sign.
Appendix
Examples <#085> through <#090> show examples of calculations
with negative binary values and examples of logical operations.
Before starting each calculation, be sure to press Ab first.
Equation Calculations (EQN)
All calculations in this section are performed in the EQN Mode
(N5).
k Equation Types
An equation type menu appears when you press N5(EQN) and
enter the EQN Mode.
Key Menu Item Equation Type
Simultaneous Linear
1 a
n
X + b
n
Y = c
n
Equations with Two
Unknowns
Simultaneous Linear
2 a
n
X + b
n
Y + c
n
Z = d
n
Equations with Three
Unknowns
3 aX
2
+ bX + c = 0 Quadratic Equation
4 aX
3
+ bX
2
+ cX + d = 0 Cubic Equation
Changing the Current Equation Type Setting
Press N5(EQN) to re-enter the EQN Mode. This clears all current
EQN Mode input and displays the equation type menu described
above.

Casio fx-115ES Specifications

General

Type	Scientific
Cover	Yes
Form factor	Pocket
Control type	Buttons
Product color	Silver
Housing material	Plastic
Digits	12 digits
Display tilting	-
Backlight display	No
Display number of lines	2 lines
Power source	Battery/Solar
Memory registers	7