Sharp EL-801 User manual
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~
WARRANTY .
~
iTHIS SHARP CALCULATOR
WAS
INSPECTED AND THOROUGHLY
~
;TESTED BEFORE SHIPMENT.
IT
IS
IMPORTANT
THAT
THE OPERA·
~
~I··.·
~L~U.I~S.A·
i.R
..
o.
~~TIONS
BE
READ
..
CA
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REF'
ULL
YBEFORE
..
USING
TH·
IS.'.
~.'
.•
!
FOR
APERIOD
OF
ONE
OJ
YEAR FROM THE DATE
OF
PURCHASE,
~
WE
WILL REPAIR WITHOUT CHARGE,
ANY
PART
OF
THIS
PRO·
!
.J
DUCT FOUND TO
BE
DEFECTIVE DUE TO MATERIALS
OR
WORK·
~
MANSHIP IF
IT
IS
RETURNED TO THE PLACE OF PURCHASE.
~
AFTER
ONE
(1)YEAR
FROM DATE
OF
PURCHASE, AREASONABLE i
CHARGE WILL
BE
MADE
FOR
REPAIR. i
THIS
W.'
ARRANTY
IS
V
..
'OlD
.IF
THISPRO.D.UCT HAS BEEN SUBJECT
..
·•
~.'
TO
MISUSE
OR
ABUSE, I
MPROPER
VOLTAGE,
OR
HAS BEEN •
~
TAMPERED
OR
REPAIRED
BY
UNAUTHORIZED
PERSON.
i
TlilkM~::::JTY
-IS
VALID
ONLY
IF ACCOMPANIED BY THE i
~
SALES INVOICE SHOWING DATE
OF
PURCHASE, MODEL AND
'$;
~
SERIAL NUMBERS. i
i .
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CONTENT
INTRODUCTION 2
OUTSTANDING FEATURES 3
EVERY PART DESIGNATION 4
KEY IDENTIFICATION 5
INDICATION LAMP 6
PO,WER
SWITCH 6
HOW
TO
REPLACE DRY BATTERy..................... 7
OPERATION' 8
SPECIFICATION
12
INTRODUCTION
Sharp's pioneering research and achievement
in
electronic engineering have finally
developed
the
ultra
compact
and efficient machine.
Newly developed Super mini-sized calculator EL-801
is
atYpical pocket-size
calculator having as many features as possible.
The
unit can be
operated
on
four UM-3
type
dry
batteries,
and
on
optional
rechargeable Ni-Cd batteries.
Small sized
but
has
the
great power.
An
ideal calculator
that
goes anywhere with you.
2
*Super-compact, space-age sty,ling
TheE
L-801
is
so
small
it
fits
in
the
palm
of
the hand.
*Super-miniaturization maximizes portability
C-MOS
lSI
miniaturization
enormously reduces overall dimensions
,and
weight. locreases
reHability and efficiency.
*Constant
multipncation
and division
lin
multiplication
or
division,
multiplicand
or
divisor memorized
as
aconstant number
automaticaHy.
*Direct chain
multiplication
and division
*Repeat addition and subtraction
*Zerosuppress system
*
Battery
level
indicator (
LED
lamp)
*Minus sign indicator
*Complete floating decimal point positioning
*15 hours' operation
is
capable on dry
battery
by
the
adoption
of
CoM
as.
*Multi-selection power source
•
Dry
battery
operation fUM-.3 x4
pes)
•Rechargeable N
i-Cd
battery operation
with
optional adaptor and rechargeable
battery
unit.
•AC operaition while charging
the
rechargeable
battery
with
the
optional
adaptor.
*Rapid charging
When
AC
power
is
supplied
and
the
power switch
is
set
at
OFF
position,
the
Ni-Cd
battery
unit can
be
recharged rapidly in
ahout
5hours. The
unit
can be operated
for
about
5hours.
3
EVERY PART DESIGNATION
Minus
sign
indicator
Minus-equal key
Multiplication
key
Constant mode indicator
Division key
Plus-equal key
Decimal
point
key
Co
nstant mode key
Battery
level
indicator
Power switch
Numeral keys
4
KEY IDENTIFICATION
13
Used for carrying
out
calculations by
constant.
Designates
constant
calculation mode
by
depressing
E3
key and
constant
mode
indicator
turns
on.
Depress
the
Dkey again
to
clear
the
constant
calculation mode and
constant
mode indicator
turns
off.
Clears all
the
contents.
m~D
a
13
I,·"tinn
Orders multiplication and starts operation when chain calculations are
performed.
Orders division
and
starts
operation
when chain calculations are
performed
Derives sum,
product,
or
quotient.
III nus
Orders subtraction. Also derives
product
or
quotient
in
the case
of
negative
multiplier
or
divisor.
5
INDICATION
LAMP
Minus sign indicator
Turns
on
when the displayed number
is
negative
or
minus zero.
K.
Constant mode indicator
Turns
on
when the
unit
is
in
constant
calculation mode.
-8
Battery indicator
Turns on when the battery voltage
is
below the regular limit.
POWER
SWITCH
,
t~
Push the switch down
at
OFF position and slide
to
ON
position, the switch will
automatically
come
out
and
the
unit
is
ready
for
calculation.
6
HOW TO REPLACE
DRY
BATTERY
1.
First set
the
power switch at
OFF
position.
2.
Pullout
the
battery case grasping it as Fig.(
II
and
set four UM·3
type
dry
batteries
in
the
battery
case. (Fig
2)
Be
sure
not
to
take the positive pole for
the
negative pole.
3. Replace the
battery
case after setting four
dry
batteries. (Fig.
1)
Fig
(1
)Fig (2)
7
OPERATION
•ADDITION
and
SUBTRACTION
EXAMPLES
123 +
456
+
789
=1.368
2
35.62
-
0.53
-
40.15
""
-5.06
OPERATION
123 II
456
II
789
II
1368
-~--------~~'----I
35.62
III
.53 II
40.1511
5.06-
•SUCCESSIVE MULTIPLICATION and D,IVISION
I
•REPEAT ADDITION
and
SUBTRACTION
EXAMPLES
1I
345
+345
-123
-123
+
789
-789
'"
444
OPERATION
34511 II
123
II II
789
rill
•
444.
IEXAMPLES OPERATION
11.1 x2.2 x3.3 x
4.4
""
35.1384
1.1£1 2.2 £I
3.3
£I
4.4 II
35.1384
~
"""""",·~_·w",
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•..
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..
,,,.
29.9
+8.8
-+
7.7
-+
6.6=0.0221369
9.908.807.7116.6
II
0.0221369
8
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