Casio fx-991ZA PLUS II User Manual

0,707106781230 15
press after the argument to close the parentheses may cause
unwanted values or expressions to be included as part of the argument.
Example: (sin 30) + 15 (Angle Unit: Deg)
Older (S-V.P.A.M.) Model: 30 15 15,5
Natural Textbook Display Model:
(LineIO) 30 15 15,5
Failure to press here as shown below will result in calculation of sin
45.
94

Casio fx-991ZA PLUS II Specifications

General

Type	Scientific Calculator
Number of Functions	552
Equation Solver	Yes
Matrix Calculations	Yes
Complex Number Calculations	Yes
Integration	Yes
Differentiation	Yes
Memory	9 variables
Weight	95 g
Protective Case	Yes
Display	Natural Textbook Display
Power Source	Solar and Battery