Casio CFX-9970G Binary, Octal, Decimal, and Hexadecimal Calculations User Manual

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5-1 Before Beginning a Binary, Octal, Decimal, or

Hexadecimal Calculation

You can use the RUN Mode and binary, octal, decimal, and hexadecimal settings
to perform calculations that involve binary, octal, decimal and hexadecimal values.
You can also convert between number systems and perform logical operations.

• You cannot use scientific functions in binary, octal, decimal, and hexadecimal

calculations.

• You can use only integers in binary, octal, decimal, and hexadecimal calcula-

tions, which means that fractional values are not allowed. If you input a value
that includes a decimal part, the unit automatically cuts off the decimal part.

• If you attempt to enter a value that is invalid for the number system (binary,

octal, decimal, hexadecimal) you are using, the calculator displays an error
message. The following shows the numerals that can be used in each number
system.

Binary: 0, 1

Octal: 0, 1, 2, 3, 4, 5, 6, 7

Decimal: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Hexadecimal: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F

• The alphabetic characters used in the hexadecimal number appear differently

on the display to distinguish them from text characters.

Normal Text: A, B, C, D, E, F

Hexadecimal Values:

u

,

v

,

w

,

x

,

y

,

z

• Negative binary, octal, and hexadecimal values are produced using the two’s

complement of the original value.

• The following are the display capacities for each of the number systems.

Number System

Display Capacity

Binary

16 digits

Octal

11 digits

Decimal

10 digits

Hexadecimal

8 digits

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