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Casio fx-991ZA PLUS II User Manual

Casio fx-991ZA PLUS II
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The initial default number mode when you enter the BASE-N Mode is
decimal, which means input and calculation results use the decimal
number format.
Press one of the following keys to switch number modes: (DEC) for
decimal, (HEX) for hexadecimal, (BIN) for binary, or (OCT) for
octal.
Example 1: To enter the BASE-N Mode, switch to the binary mode, and
calculate 11
2
+ 1
2
(BASE-N)
(BIN)
11 1
Example 2: Continuing from above, switch to the hexadecimal mode and
calculate 1F
16
+ 1
16
(HEX) 1 (F) 1
Example 3: Continuing from above, switch to the octal mode and
calculate 7
8
+ 1
8
(OCT) 7 1
Note
Use the following keys to input the letters A through F for hexadecimal values:
(A), (B), (C), (D), (E), (F).
In the BASE-N Mode, input of fractional (decimal) values and exponents is not
supported. If a calculation result has a fractional part, it is cut off.
The input and output ranges is 16 bits for binary values, and 32 bits for other types of
values. The following shows details about input and output ranges.
59

Table of Contents

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Casio fx-991ZA PLUS II Specifications

General IconGeneral
TypeScientific Calculator
Number of Functions552
Equation SolverYes
Matrix CalculationsYes
Complex Number CalculationsYes
IntegrationYes
DifferentiationYes
Memory9 variables
Weight95 g
Protective CaseYes
DisplayNatural Textbook Display
Power SourceSolar and Battery

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