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Division key. Press this key
to
include
the
division
operator
in
calculations. Pressing (SHIFT) and
then
this key will
display
the
"power"
symbol, indicating
that
a
number
is
to
be
raised
to
a specific power.
Multiplication key. Press
this
key
to
include
the
multiplication
operator
in
calculations. Pressing (SHIFT)
and
then
this
key displays
the
"less
than"
character.
Subtraction
key. Press
this
key
to
include
the
subtraction
operator
in
calculations. Pressing (SHIFT)
and
then
this key
displays
the
"greater
than"
character.
Addition
key. Press
this
key
to
include
the
addition
operator
in
calculations. Pressing (SHIFT) and
then
this key
displays
the
exponentiation
character
used
in
scientific
notation.
These
three
characters are
found
above
the
zero, decimal
point
and 3 keys.
They
are displayed by pressing (SHIFT)
and
then
the
character
under
the
symbol desired.
....
.
...
.-
.
.I::;
:::::
:1.
::::~
5:::i
I:::!
:-5-:
5···i
BUSY P
OEF
..
: :
...
.
:.
:
OEGRAO
...
.:
.....
i
...
i
:.
:::::
:
5.·-;
:
:.-
.:
.
5....
1::::·'1"
SHIFT
E
Figure 4. Sample PC-3 Display
The
liquid crystal display
of
the
Radio
Shack
PC-3 shows
up
to
24 characters
at
one
time. Although
you
may
input
up
80
char-
acters (including
(ENTER)
)
in
one
line, only
the
first 24 characters are displayed. To review
the
remaining characters in a line,
move
the
cursor
to
the
far right
and
the
display will 'scroll' -
that
is, as characters
drop
off
the
left, new characters appear on
the
right.
The
display consists
of:
The
prompt.
This symbol appears
when
the
computer
is
awaiting
input.
As
you
press,
the
prompt
disappears and
is
replaced
by
the
cursor.
15
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