Real numbers require
no
delimiters. The delimiters for
other
object
types are
on
the
left-hand
keyboard (see items 1
and
3).
12. Power
on
and off;
clear
command line; stop program.
To
turn
on
the calculator, press 1 ON
I;
to
turn
it off, press
.1
OFF 1 . (OFF is
printed
on
the keyboard above 1 ON
I.
uPress
.1
OFF 1 n
means
press the
shift
key.
and
then
press 1
ON
I.)
While
the
calculator is on,
ION
1 also acts as the ATTN (attention) key
to clear text in the
command
line or stop a
running
program. (ATTN
is
printed
on
the keyboard below 1 ON
I.)
13. Number entry.
To
key in numbers, use
the
digit keys
[Q]
through
[[j,
1 CHS 1
(change
sign),
and
1 EEX 1 (enter
exponent).
Assuming you
want
to use
the
period as
the
decimal point (page 36), use
[J
to separate
the
integer
part
from
the
fractional part.
Number
entry
is described
on
page 39.
14. Arithmetic. The arithmetic functions are described in
uO
ne
-
Number
Functions"
on
page 40
and
uTwo-Number Functions"
on
page 41.
15.
Backspace. Press
[!]
to erase the last character you
typed
in.
16. Menu selection,
next
menu row. Use the
menu
selection keys
to assign commands to the
menu
keys. For example, press I
TRIG
1 to
select the TRIG menu.
To
select a different menu, press
another
menu
selection key.
When
no
menu
labels are visible, the
cursor
menu
is active. The opera-
tions in the cursor
menu
([ill§]
through
~)
are printed in white
above the
menu
keys.
When
menu
labels are visible, press
GB
to se-
lect the cursor menu.
To
restore
the
previous menu, press
GB
a
second time.
A
menu
can contain more
than
one
row, with
up
to six
commands
in
each row. Press
1 NEXT 1 to display the next
row
of
the
current menu.
Press
.1
PREY 1 to display
the
previous row.
30
1:
Getting
Started
I
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