Casio CFX-9850G PLUS Bedienungsanleitung

Binary, Octal, Decimal,

and Hexadecimal

Calculations

This calculator is capable of performing the following operations

involving different number systems.

•Number system conversion

•Arithmetic operations

•Negative values

•Bitwise operations

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

Hexadecimal Calculation with Integers

5-2 Selecting a Number System

5-3 Arithmetic Operations

5-4 Negative Values and Bitwise Operations

Chapter

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

Hexadecimal Calculation with Integers

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 bitwise 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.

•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

Normal Text

Hexadecimal Values

Keys

ABCDEF

uvwxy z

•The following are the calculation ranges for each of the number systems.

Binary Values

Positive: 0 <x<111111111111111

Negative: 1000000000000000 <x<1111111111111111

Octal Values

Positive: 0 <x<17777777777

Negative: 20000000000 <x<37777777777

Decimal Values

Positive: 0 <x<2147483647

Negative: –2147483648 <x<–1

Hexadecimal Values

Positive: 0 <x<7FFFFFFF

Negative: 80000000 <x<FFFFFFFF

uTo perform a binary, octal, decimal, or hexadecimal calculation

1. In the main menu, select RUN.

2. Press !Z and then specify the defalut number system by pressing 2

(Dec), 3(Hex), 4(Bin), or 5(Oct).

3. Press Jto change to the screen for calculation input. This causes a function

menu with the following items to appear.

•{d~o}/{LOG} ... {number system specification}/{bitwise operation} menu

Before Beginning a Binary, Octal, Decimal, or Hexadecimal Calculation with Integers 5 - 1

P. 5

5-2 Selecting a Number System

You can specify decimal, hexadecimal, binary, or octal as the default number system

using the set up screen. After you press the function key that corresponds to the

system you want to use, press w.

uTo convert a displayed value from one number system to another

Example To convert 2210 (default number system) to its binary or octal

value

A!Z2(Dec)J1(d~o)1(d)

ccw

!Z4(Bin)Jw

!Z5(Oct)Jw

uTo specify a number system for an input value

You can specify a number system for each individual value you input. While

binary, octal, decimal, or hexadecimal is set as the default number system, press

1(d~o) to display a menu of number system symbols. Press the function key

that corresponds to the symbol you want to select and then input the value you

want.

•{d}/{h}/{b}/{o} ... {decimal}/{hexadecimal}/{binary}/{octal}

uTo input values of mixed number systems

Example To input 12310 or 10102, when the default number system is

hexadecimal

!Z3(Hex)J

A1(d~o)1(d)bcdw

3(b)babaw

5-3 Arithmetic Operations

Example 1 To calculate 101112+ 110102

!Z4(Bin)J

Ababbb+

bbabaw

Example 2 To input and execute 1238×ABC16, when the default number

system is decimal or hexadecimal

!Z2(Dec)J

A1(d~o)4(o)bcd*

2(h)ABCw

!Z3(Hex)Jw

P. 7 4

5-4 Negative Values and Bitwise Operations

While binary, octal, decimal, or hexadecimal is set as the default number system,

press 2(LOG) to display a menu of negation and bitwise operators.

•{Neg} ... {negation}*1

•{Not}/{and}/{or}/{xor}/{xnor} ... {NOT}*2/{AND}/{OR}/{XOR}/{XNOR}*3

kNegative Values

Example To determine the negative of 1100102

!Z4(Bin)J

A2(LOG)1(Neg)

bbaabaw

kBitwise Operations

Example 1 To input and execute “12016 and AD16”

!Z3(Hex)J

Abca2(LOG)

3(and)ADw

Example 2 To display the result of “368or 11102” as an octal value

!Z5(Oct)JJ

Adg2(LOG)

4(or)J1(d~o)3(b)

bbbaw

Example 3 To negate 2FFFED16

!Z3(Hex)JJ

A2(LOG)2(Not)

cFFFEDw

*1two’s complement

*2one’s complement (bitwise complement)

*3bitwise AND, bitwise OR, bitwise XOR, bitwise XNOR

P. 7 4

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