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Ity
Base Gonuersions
and
Base Arithmetic
The
BASE
menu
(lt
s/rsEl
)
does
operations
with four
number
bases-DEc
(decimul),
HEX (hexadecimal), OCT (octal), and BIN (bi-
nary). The
BASE
menu converts numbers
from
one base
to
another
and performs the arithmetic operations
E, E, E,
and
E it
any of
the four
bases.
When you
press
I-BASEI
,
DEC base
is
active, as indicated
by
the
highlighted menu
k"y.
Switching
Bases
Press
one
of
the menu keys
in
the
BASE
menu
to
switch to a new
base.
The
menu
k"y for
the new
base
is highlighted, and numbers in
the calculator line are converted to the new
base.
Switching
to
HEX
base
displays the HEX menu,
which allows you to
k"y in
letters A
through
F.
Exiting the HEX menu
restores
DEC
base
When you switch from DEC to any other
base,
the integer part of the
number
is
displayed
in
the new
base.
Internally, the
l2-digit
repre-
sentation of the decimal number is preserved. When you switch back
to
DEC base, the
full
decimal number
is
displayed, rounded
to
the
current display format. Numbers are truncated
to
integers
internally
only when they
are used
in
an arithmetic operation
in
HEX, OCT or
BIN
base.
E.
EEEE
I
nsc
l]rflIitrrrfiIt
Decimal
base
is
active
3:
Base Gonversions and Base Arithmetic
63
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