Advertisement
Quick Links
GENERAL INFORMATION
(3)
hours
operating
time.
A dim display
I
Clear Operations and Overflow Conditions.
Before Operating Your Calculator:
If
a
number
has been entered in the
me
indicates the batteries are discharged and
recharging is necessary.
Your charger is
Charge
the
batteries. Your
Rockwell
24K
mory,
a Memory
I
ndicator dot is display
not
an AC adapter and, consequently,
should not
be,
used
continuously.
Degra
calculator is supplied with rechargeable
ed in
the
far
left
position of the display
:
internal
batteries
and
a battery
charger.
-
.123.45678
or
.0.3334567,
for
example.
dation of the batteries may occur if
cha'rg
To charge the batteries, simply plug
the
Arithmetic Function
and Answer Keys
ing is continued for more than
72
hours.
charger into the jack provided on
'
your
The
arithmetic function keys,
[±] ,
B '
calrulator and a standard AC outlet.
To
avoid
possible
damage
to
your calcula
[K]
,a
nd
EJ
,enter
the
desi red arith
tor, use
only the
charger
supplied with
it.
CAUTION: Do not turn
your calculator
metic operation to be performed by
the
on
until the
batteries
have been
charged
OPERATION
calculator.
The
answer to such an opera
for at
least
10
minutes.
(This
applies
tion is obtained by depressing one of the
On/Off
Switch
after
extended storage of your calculator
answer keys,
El
or ~ ,or by another
Turning
the
calculator on will automati
also.)
depression of an arithmetic function
key.
cally clear
the
calculator
(including
its
Do
not
operate your calculator
without
The
decimal point is automatically placed
memory)
to
zero.
The
calculator is then
the charger
until
you
have
charged
the
in the
correct position in your answers.
immediately
ready
for problem
solving.
batteries for five hours.
Failure
to do'so
Clear
Key
Display
•
may damage the batteries.
1
CE/C
I
.
Depressing the
I
CE/c
i
key
1.
Eight-digit
display
Your calculator will accept and display
With
the calculator off, all ow approxima
clears the display of erroneous entries,
2.
f\liemory keys
any positive or negative number between
tely
ten
(10)
hours for the batteries to
ca'
n cels overflow conditions, or clears the
3.
Register exchange key and square
0.0000001
and
99,999,999.
A negative
be fully
charged.
You can operate your
calculator of stored
numbers
and
func
number is indicated by a minus sign on
root key
calculator while charging the batteries but
tions.
The
memory contents are
not
ilf
the left side of
the
display:
-3.1469782,
4.
Percent key and change sign key
the time
required for the batteries to be
rected by depression of
the
I
CE/C
I
key.
for
example.
Results
in excess of eight
5.
Arithmetic
function keys
come fully charged will
increase.
When
(See
Clear
Operations
for detailed
instruc·
digits cause an overflow condition which
6.
Equals
key
the batteries are fully charged, at
least
tions on use of the ICE/ci key.)
is indicated by illuminatin all eight de
7.
Battery charger jack
three hours of operating time can
be
cimal
points:
1.2.3.4.5.6.7.8.
,for
ex
Memory
Keys
B.
Decimal key
expected.
ample,
and the eight most significant
Your calculator
has
a completely indepen
9.
Clear entry/clear key
Battery Life
digits of your answer are
saved.
I.n this
dent four-key memory. The functions of
10.
On-Off switch
Battery life will be prolonged by recharg
circumstance,
all keys become inoperative
the memory operation keys
are:
1M±]
and
ing 1he batteries after approximately three
except the clear key
,
ICE/ci
.
See
1M-I ,Depressing the
[ME
,
or
lliEl '
Advertisement
