Hp 49g+ User Manual download pdf (Page 169)

Page 17-1

Chapter 17

Numbers in Different Bases

Besides our decimal (base 10, digits = 0-9) number system, you can work

with a binary system (base 2, digits = 0,1), an octal system (base 8, digits =

0-7), or a hexadecimal system (base 16, digits=0-9,A-F), among others. The

same way that the decimal integer 321 means 3x10

+2x10

+1x10

, the

number 100110, in binary notation, means

1x2

+ 0x2

+ 1x2

+ 0x2

= 32+0+0+4+2+0 = 38.

The BASE menu

The BASE menu is accessible through (the key). With system

flag 117 set to CHOOSE boxes (see Chapter 1 in this guide), the following

entries are available:

With system flag 117 set to SOFT menus, the BASE menu shows the

following:

This figure shows that the LOGIC, BIT, and BYTE entries within the BASE menu

are themselves sub-menus. These menus are discussed in detail in Chapter 19

of the calculator’s User’s Guide.

Writing non-decimal numbers

Numbers in non-decimal systems, referred to as binary integers, are written

preceded by the # symbol (

) in the calculator. To select the current

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Hp 49g+ User Manual Page 169