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Page 2
INTRODUCTION
Your
Craig
4508
significant
inafull-size
package.
circuits
Integration),
display
keyboard
unit, and
rechargeable
even
The
multiplication,
including
division,
utilizationofa
capabilitytomarkupor
after
are
floating
sign.
Power
Answer
extend
displaytoblank
seconds
ofaproblem.
Itissuggested
be
all
increase
operating
backofthe
AdvancesInminiaturized
using
technology,
have
the
when
4508
performs
chainormixed
powers
the
percentageiscalculated.
provided
decimal
Additional
On,
Overflow.A"time-out"
battery
after
read
with
examplesbeperformed
your
Calculator
engineering
capabilityina
single-chip
LED
(Light
and a
provided
self-contained
barteries
AC
powerisnot
addition,
division
and
stored
for
Low
the
the
familiarity.Ashort
proceduresisalso
calculator.
reciprocals,
constant.Italso
entry
andapositiveornegative
display
Battery,
operating
out
approximately
last
that
the
calculatorathand,
represents a
achievement
pocket-size
LSI
Emitting
unique
a fugged,
nickel-cadmium
permit
available.
subtraction,
and
percentage
multiplication
discountanumber
and
readout
indicators
Overflow
time
entry,
without
following
with
computer
(Large
Diode)
snap-action
reliable
convenient
and
Ten
withafull
denote
Entry
feature to
causes
30
the
instructions
and
the
unit
outline
printedonthe
resulting
Scale
use
and
has a
digits
and
the
loss
that
to
of
OPERATION
AC
Operation:
Set
the
switchonthe
Adaptertothe
9224
vOltage. Le., 115or230 Volts.
Adapter
into
connector
connections,
turnedonand
Battery
Disconnect
power
battery
about5hoursofworking
Battery
Simply
operation.
during
ordertofully
been
required.Inmost
charge
CAUTION:
only
into
the
the
Calculator.
is keyed.)
the
Operation:
the
switch
NOTE: When
(l)
on
continue
indicates
Useofthe
during
continue
Charging:
completely
NOTE:
from
connected,itis
when
cycle.
the
Adapter
"ON".
charge
the
displayislighted,donot
battery
need
Calculator
the
charge
whether
follow
the
the
The
charge
chargeabattery
shouldbeadequate.
Althoughnodamage
prolonged
notinuse
To
avoid
backofthe
electrical
outlet
(Note
After
power
operation
adapter
With
canbeexpectedtosupply
the
low
operation.
forabattery
cycle.
calculatorisonoroff.
same
Calculator
periodifdesired. In
discharged,7hours
cases, an
periods
advisabletodisconnect
after
possible
provided
Craig
outlet
Plug
the
and
the
connector
that
the
these
switch
cord
battery
canbecontinued
procedure
a full
may
started.
and
normal
time.
maybeused
with
use
indicator
This
charge.
Charging
which
overnight
will
with
the
recharge
damage.
the
calculator.
be
tum
as in
result
Adapter
the
a full
will
AC
has
is
use
Page 3
3~,--~RAIG
--lli!~-~
2
.
..
=
"
11.
10.
-12.
8.
6.
1.
4.
5.
9.
7.
13.
CONTROLS & INDICATORS
1.
2.
3.
4.
5.
6.
7
8
9.
••
••
Power
Constant
(K)
II
II
II
13
III Key
Key
Key
Key
Key
Key
Key
Switch
Switch
Turns
"OFF".
Slide
positions;inthe
position, the
is ineffect. Useof'K'
allowsanumbertobe
entered and retained as a
"constant"
multiplicationordivision.
Performs
discount
Clears
the
displayofall numbers.
Clears
previous keyboard entry.
Enters a
command.
Enters a
Adds
or
carries
entered
"divide"
Addsaminus
entry.
entered
completesapreviously
entered
"divide"
Calculator
switch
the
Subtracts
with 2
'K'
for
%.
mark-up.
operation.
the
Calculator
the
displayofthe
"multiply"
"divide"
entered
out
a previously
"multiply"
command.
number
"multiply"
command.
"ON"
up
operation
series
and
command.
number,
or
signtoan
the
or
or
&
and
3
Page 4
10
11
12.
13.
••
••
Power-0n
Indicator
Low
Indicator
Key
to.
Battery
Keys
Entersadecimal
Enter
digitsofa
(limit10digits).
Craig
9224
Adapter
Adapter
Appearsatthe
displaytoshow
condition.
pressing
Warnsofa
charge
Connector
Recall
any
key.
need
during
operation.
APpea~
point
number
centerofthe
"time-out"
display
for
battery
battery
by
Answer
Overflow
Indicator
Overflowofa negative
number~
Indicatesacalculation
result
that
contain
than10digits.
a positive
number
more
Overflow
appears
as
Overflow
number~
of
a negative
of
Minus
Sign
Indicator
Decimal
Indicator
Entry
Overflow
Point
Activated
for
operations
negative
Appears
by
the
with
numbers.
5
1:1
key
Automatically appears to
the
rightofany
entered,
another
the
Decimal key.
unless
sequencebyuse
number
inserted
With
fractional numbers, it will
be
precededbya zero.
Indicatesanentryofmore
than 10 digits. Overflow
a
positive
number
appears
as
4
in
of
of
5
Page 5
PRELIMINARY
lNSTRUCTIONS
1. To
clear
(erase)
A.
2.
B.
To
Touch
Cleared
enter
the
display
(write.a
key
will
number)
be:
C. Then you
The
•
D.
To
clear
Display
E.
Then
Display
display
13,
will
enter
will
enter
is:
touch
be:
'12'
be:
13 by
the
mistake
A
mistake!
Bakey
Example:
A. First.
B.
Then
for
123.45
with
from
Display
3.
To
clearanIncorrect
Example:
A
You
Display
8.
You
Display will be:
enter
123.45
clear
by
touch
number
oneata time.
the
left
hand
lefttoright.
will
then
48+12is
have
already
is:
now
touch
touchingll
and
digit
be:
entry
your
calculation
entered
the
II
6
decimal
Always
and
48
key
keys
start
progress
123.45
F.
Finally.
Display will be:
Note:
Use m
after
touch
theIIkey
during,orimmediately
entryofa
number.
7
for
answer
Page 6
CALCULATIONS
1. ADDITION
Example
Do these steps display will be
a.
#1:
Touchll
To calculate 16.39 +9.83 =
•
2.
SUBTRACTION
Example
00
3.
#1:
To
calculate 12.81 - 3.6 =
these steps displaywill be
Touchll
Enter
b.
16.39
c. Touch III
Enter9.83
d.
e.
Touch
II
Example
To
Do these steps display will be
a Touch
b.
c.
d.
e.
t.
g.
h.
#2.:
calculate
Enter 16
Touch
Enter
9
Tauchll
Enter
8.3
TOUCh;;
Enter
4.1
Answer
16
+ 9 + 8.3 +4.1 =
=
16.39
16.39
9.83
26.22
33.3
•
b.
Enter
12.81
c.
Touch
II
Enter 3.6
d.
e.
Touch
=
Example
Do these steps display will be
a.
b.
#2:
TouChll
Enter 23
Answer
To
calculate
23 - 6 +
•
c.
Touch
II
•
•
Enter 6
d.
e.
Touch
Enter2.1
f.
g.
TOUCh;;
Enter5
h.
II
2..1
12.81
12.81
9.21
- 5 =
19.1
i.
Touch.
Answer
8
37.4
i.
TouCh.
Answer
9
14.1
Page 7
Example
To
calculate
Do
these
a.
Touch
b.
Enter
c.
Touch
Enter
d.
e.
Touch
Enter
f.
g.
Touch
h.
Enter
i.
Touch
#3:
62-82+10-40:::::;
steps
62
II
82
=
10
=
40
=
Answer
display
- 20.
-
- 50.
will
be
10.
Example
Do
these
7:
a.
Touch
b.
i
.
Enter3
c.
Touch
d.
Enter
e.
Touch
1.
Enter
g.
Touch
Example
Do these steps
#2:
steps
II
a
21
II
6.1
=
#3:
Useof'K'
To
calculate
Answer
To
calculate31x 6
Switch
3 x21x
display
31
x 8.2
31 x
7.6
display
6.1
==
==
=
=
will
384.3
will
be
be
3. MULTIPLICATION
Example
Do
a
b.
c.
d.
e.
these
Touch
Enter
Touch
Enter
Touch
#1:
steps
29.32
13
56.5
II
To
calculate
Answer
10
29.32 x 56.5 =
display
will
165658
be
29.32
29.32
56.5
~
a.
b.
d.
e.
f.
g.
Touch
Push
Enter
Touch
Enter
Touch
Enter
'K'on(up)
31c.
13
6
1st
=
82
Answer
11
186.
,
•
I
•
Page 8
h.
i.
j.
Touch
Enter
Touch
=2nd
7.6
III
3rd
Answer
Answer
254.2
235.6
e.
Touch
f.
Enter9
g.
Touch =Answer
a
27.
k. Push
'K'
off
4. DIVISION
Example
Do these
a.
b.
c.
d.
e. Touch
Example
Do
a. Touch
b.
c.
d.
#1:
steps
Touch
Enter
376
Touch
Enter
53
#2:
these
steps
Enter
81
TOuCha
Enter
3
To
II
II
=-
To
(down)
calculate
Answer
calculate
12
376
-+-
53
display
7.094339622
81
-+-3-+-
display
=
9 =
will
will
be
376.
376.
be
Example
Do these
a.
b. Push
c.
d.
e.
f.
g.
h.
i.
j.
k. Push
#3:
To
calculate
Useof'K'
TOUChll
Enter 181
Toucha
Enter
Touch
Enter
Touch =2nd Answer
Enter 117
Touch
steps
'K'
on (up)
15
II
96
11:1
'K'
off
switch
1st
3rd
(down)
Answer
Answer
13
181
-+-
15:=
96 + 15 =
117+15=
display
72.06666666
will
be
787.
787.
177.
Page 9
5.
PERCENTAGE
Example #1:Tocalculate
Do
these
steps
5%of375
display
will
be
'Example #3:
onanitem
Do these steps
of
10%
$250.
discount,
5%
display
sales
tax:
will
be
a.
Touchll
b.
Enter
c.
TouchE!
d.
TouchEl
Enter
e.
f.
Touch III
Example
taxonan
Do
these
3.
Enter
b.
TouChEi
c.
Enter
d.
ToUChE!
e.
Touch
5
375
#2:
Markup
item
steps
16
3
_Final
of
$16.00
Answer
after
Amount
adding
display
3%
0.05
0.05
375.
18.75
sales
will
0.48
16.48
be
a.
Enter
250
b.
Touch
II
c. Enter
d.
e.
1.
g. Enter 5
h.
i. Touch
Example #4: What %is75of125?
Do these
10
TouchE!
Touch
Touch
Touch
II
Value
10%Discoun
EI
II
a:lFinal
tobePaid
steps
After
Amoun
displaywiII
a. Enter 75
b. Touch
c.
Enter
d.
Touch
a
125
II
Answer
250.
250.
225.
225.
11.25
236.25
be
125.
14
15
Page 10
6.
MIXEDARITHMETIC
Example
Do
these
#1:
steps
To
calculate
23 x
(-4)
display
-0-
(-6)
will
be
g.
Enter 8
=
h.
Touch
a
a.
Touch
b.
Enter
Touch
c.
d.
Enter
Touch
e.
f.
Touch
g.
Enter
h.
Touch
Example
To
calculate
00
these
a
Touch
b.
Enter
Touch
c.
d.
Enter5
e. Touch
f.
Enter
23
13
4
II
II
6
=:
#2:
steps
II
9
II
II
Answer
(9 - 5) x 8
20
- 92.
- 92.
75.33333333
8=
display
will
be
i. Enter 20
j. Touch
k.
Enter
l.
TOUCh_
Example #3:
Do these steps
a.
Enter
b.
Touch
c. Enter 16
d. Touch
e.
Touch
f. Enter 8
g.
Touch
h.
Touch
i. Enter 3.5
j.
Touch
III
8
5%of(5+16)
5
II
III
a
III
EI
II
Answer
Answer
x 8
display
will
be
168.
168.
6.88
Page 11
7.
EXPONENTS
Example
Do these
a.
b.
C.
d.
#1:Tocalculate
steps
Touch
Push
Enter
Touch
II
'K' on (up)
3
EI
(3)5
"'"
display
will
be
e. Enter 3
1.
Touch
g.
Touch
h.
Touch
i.
Touch
j. Push
uK"
II
•
II
III
off
5.5
0.181818181
(down)
e.
TOUCh-=
t.
Touch"
g.
Touch=
h.
Touch III
i. Push
8.
Example
Do
3.
b,
c.
d.
'K'
off
RECIPROCALS
;1:
To calculate 2.5 +
these steps
TOUChli
Push
"K"
on
Enter
2.5
Touch
II
(down)
(up)
18
1
3-
display
will
9. ANSWER OVERFLOW
The
positiveornegative
indicatedbyr
when
the
exceeded.
243.Answer
For example, multiplicationoftwo positive
numbers
12345678X345678
will give the
display
following
or
capacityofthe
overflow
C respectively, will
display
indicator
calculator
appear
is
"426.7629279
The
"r
"or
"e:
..
be
symbol
negative
indicatesananswerofmore
shown. To
for
number
to
"overflow"
either
and
the right.
obtain
case,
±4,267,629,279,OOO.
the
simply
move
The
proper answer will then be:
L
indicates
respectively, and
than10digits
the
10
correct
decimal
places j
record
19
decimal
the
point10places
positive
location
displayed
or
Page 12
This
procedure
multiplication,
and
percentage.
appliestoall
division,
Use
addition,
the
operations;
'C'
keytoclear
subtraction
display.
10. RECALL AFTER 'TIME-OUT'
During
automatically
activity
providedtoconserve
Depress
the
Craig
new
part
defectiveinmaterialorworttmanship
Irom
repairedorreplaced
of
1'18$
misused.
Craig.
expressedorimplied.
of
assume
with
delivered,
address shown
returned postage
Craig
921
Compton,
Craig
50-52
Moonachie.
battery
for
'blanked'
Corporation
Craig
thereofinthe
date01original
charge
This
This
for
warranty
been
damagedbyaccidentorwhich
altered.~repairedbyanyone
warrantyisin
merchantability,
for
the
saleorthis
To
obtain
Corporation
W.
Artesia
Corporation
Joseph
operation,
turn
off,ifthereisno
about30seconds.
any
keyonthe
display.
WARRANTY
warrants10the
Calculator
Craig any
repairs,
prepaid
Calif.
N.J.
thatifthe
judgmentofCraigisproven to
purchase
(at
parts
and
d~
not
lieuofall
including
andnopersonisauthorized
other
product.
the
to
Craig
below.Inwarranty
prepaid.
Blvd.
90220 Elk Grove
Street
07074
Craig
Corporation
3178
Oakcliff
Atlanta,
- Keep
Ga.
Your
the
display
This
the
battery
keyboardtorecall
purchaserofthis
machineorany
within
such
the
company's
labor.
applytoany
liabilityinconnection
Calculator
Corporationatany
Craig
1450
Craig
540 S.
Seallle,
Industrial
30340
Sales
defects
other
warranties
any
implied
should
units
Corporation
Greenleaf
Villago,
Corporation
Front
Street
Washington
St.
Slip-
keyboard
feature
power.
option)
product
has been
other
be
will
Avenue
will
one year
will
be
free
which
than
warranty
to
be
III. 60007
98108
the
be
is
BATTERY
1. With
batterycharge
5 hOurs
2.
TheCalculatormay be
NOTES
nonnal
useatroom temperature. a full
can
be
of
accumulated
expectedtosupplyabout
working
used
while
time.
its batteryis
charging.
3. Batteries thathavebeen neitherused
foras
longas
20r
of
operating time througha tendency
loss
3 monthswill suffersubstantial
nor
self-discharge.As ageneral rule. batteries lose
about~%charge
per
dayduetoself-discharge.
at nonnal temperatures.
4.
For
optimum perfonnanceand long life:
a Alternate frequentlybetween Battery
and
ACpower.
b.
Operateator
c.
Chargeas soonaspossible
of
theLow-Battery indicator.
5. Recharge time is7 hours
nearnonnal room temperatures.
upon
appearance
for
a fullydischarged
battery.
6.
The
Low-Batteryindicator isdesigned toappear
as
soon
as
value that will
battery voltage
support
drops
optimum
to thelowest
perfonnance
theCalculator. Should further discharge
through continued operationsorself-discharge.
may
theLow-Battery indicator
Do
not
this
continue
condition
tooperateonbatterieswhen
isnoted.oradamaged battery
fail to appear.
mayresult.
7. As a general rUle,
try
first
the
if
Calculator
improper
with
operation occurs,
its
Adapter
connected.IIoperationisthen normal, this
indicates the batteries are
8.
Do
not store the
as thetop
such
automobiles
will
operale
perature range
unit
of
radiatorsorthe rear
exposed
satisfactorily
of0to
low.
in high temperatureareas
deck
to the
sun.
The
Calculator
overanambient
SOC
(32 to 122F)and
relative humidityto95%.
charged
to
of
occur.
of
tem-
20
PrintedinU.S.A.
A90l-C123
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