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8-digit Rechargeable Calculator
with 4-key Memory System
plus battery recharger
I
AC adapter
Only
1995
Complete
• Mixed and chain calculation
ability for adding, subtracting,
multiplying, or dividing
individually or in combination
• Automatic constant
in all 4 functions
• Full floating decimal system
• Percentage key for
interest, taxes, etc.
• Legible green display
APF M21 RECHARGEABLE CALCULATOR. The perfect calculator for home
or office use. 4-key memory system (plus, minus, recall, clear). Exchange
key returns previous display. Automatic timed cutoff of display saves battery
while still retaining calculation which can be redisplayed. Zero
suppression. Overflow, memory-in-use, and low battery indicators. Plastic
3x6-ln. housing. Uses 3 rechargeable nickel-cadmium batteries (included)
or 120-volt, AC outlet-UL listed recharger/AC adapter included.
X641 -5541 A-Actual
wt.
1.25 lbs.; mail.
wt.
2.75 lbs. ..... . .......
19.95
SAves40
on Our
Finest
gartridge-rlbbon,
Power-return
Electric
Typewriter
A
Great
Gift
Value
Save $30
on Rockwell Advanced
Slide Rule Calculator
Now
3995
Thisspecia/I '
Only
pnce
ends
Dec. 25
Rockwell International
Scientific Calculators with Memory
[1)
and
(2)
have
these
Features:
• Scientific notation capeblHty
•Trigonometric
and
Inverse
trigonometric
functions
In
either degrees
or
radians
((1]
also
does
grads)
•Two
levels
of
parenthasH
•Pl
key
•Base
e,
base
1
o
logarithm/expoi
18111181
• VX
for
raising
numbers
to
power
• Solve
square,
square
root.
reclprocals
• Automatle
constanlS in
all
4
f""*"8
• Floatings
decimals •
~logic
• Slgn-diange
key
•Register
exchllige
Rockwell Slide Rule
Calculator
• Mixed
and
chain
calculation ability
•Use
3 "AA"-cell
dispo8able
batl91i.
(Incl.)
or
120-V,
AC~
UL
llsl8d
AC
adapters or
recharger/adapter
kit
below
Only
2695
1
ROCKWELL 64RD CALCULATOR. 12-diglt green display with
scientific
nota-
tion (8-digit mantissa with sign, 2 digit exponent
with
sign).
Converts
polar
coordinates to or from rectangular coordinates
in
either degrees, radians, or
grads. 3-key memory system (plus, store, recall). Plastic
body
measures
3Y4'<6!4
in. Actual werght 0.70 lb. Reduced from our big Fall '76 Catalog-see page
733.
After
Dec.
25, order at Reg. Price.
X 641-6044 A-Marling weight 2.25 lbs..•........•.•.
Reg.
$69.95; NOW
39.95
X 641-5582 A-AC adapter for above. Mail.
wt.
1.20 lbs . . . . . . . • . . • . • • • •
4.99
2
ROCKWELL 44RD CALCULATOR. 9-diglt green display with scientific nota-
tion (5·digit mantissa with sign, 2-digit exponent with sign). 2-key
memory
system (store, recall). Plastic
body
measures 3x611. In. Actual weight 1.25 lbs.
X 641-6150 A-Mailing werght 1.75 lbs.••...•••...•..•.••••..••••••••
26.95
X 641-5582 A-AC adapter for above. Mailing weight 0.50 lb. • . . • . • • • • . .
4.99
Battery
Recharger/AC Adapter Kit (not
shown).
Allows f1) or [2lto operate on 3
rechargeable nickel-cadmium batteries (incl.) or 110-12!> volts, C. UL listed.
X641-6143 A-Mailing weight 2 lbs...................................
9.95
Meet the "Little Professor"
from Texas Instruments
• Displays over 16,000
pre-programmed
problems to test
a child's basic
knowledge
of math
(+ .-.
x .
+)
• 4-degrees
of difficulty
1995
EASY-TO-OPERATE. Se
unction
to be tested and degree of difficulty.
Press "Set" and " Go" keys and first
problem is displayed. Child has 3
chances to give correct answer.
After correct answer (or pressing
" Go" key) next problem is dis–
played. At end of sequence, number
of correct answers is displayed.
Uses disposable 9-volt battery (not
incl.). 3x5 in. plastic body. Act.
wt.
1.20 lbs. Mail.
wt.
1.70 lbs. For ages
5to 9.
X641-6176A .....
277
...... .. .. 19.95
JCPenney