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* POWER SUPPLY
CITIZEN model SDC-554S is a dual-powered (high power solar +
back-up battery) calculator operative under any lighting conditions.
-Auto power-off function-
The calculator switches the power off automatically if there has
been no key entry for about 10 minutes.
-Battery change-
If the back-up battery needs to be changed, open the lower cabinet to
remove the old battery and insert a new battery in the indicated polarity.
* KEY INDEX
ON
[
] : Power on / Clear key
C
[MU] : Price Mark-up/down key [00 0] : Shift-back key.
[M+] : Memory plus key.
[+ / –] : ±Sign change key
[MC] : Memory clear key
RECALL
[
−
]: Price without tax key / To recall tax rate when pressing
TAX
[RATE] and [–TAX] keys
STORE
[
]: Price with tax key / To store tax rate when pressing [RATE]
+
TAX
and [+TAX] keys
A 0 2 3 4 F
– F –
0
2
3
4
–
–
–
–
–
– A –
↓
↑
5/4
The Signs Of The Display Mean The Following:
MEMORY：Memory loaded.
–MINUS : Minus (or negative)
TAX : Amount of tax
% : Tax rate stored and recalled
* OPERATION EXAMPLES
1. Calculation Examples
Before performing each calculation, press the
Example
1 x 2 x 3 = 6
↓
↑
5/4
A 0 2 3 4 F
2 x 3 = 6
2 + 4 + 6 = 12
1234 x 100
= 123,400
5 x 3 ÷ 0.2 = 75
300 x 27% = 81
11.2
56
30 + (30 x 40%) = 42
30 – (30 x 40%) = 18
4
5
= 625
144
A 0 2 3 4 F
$14.90 + $0.35 – $1.45
+ $12.05 = $25.85
↓
↑
5/4
1 / 30 = 0.0333....
A 0 2 3 4 F
(2
x
2. Memory Calculation
(12 x 4) – (20 ÷ 2)
↓
↑
5/4
= 38
A 0 2 3 4 F
3. Constant Calculation
↑
↓
2 + 3 = 5
5/4
4 + 3 = 7
3 x 4.111 = 12.333
A 0 2 3 4 F
3 x 6 = 18
4. Overflow Error Clear
12345678901234 x 100
= 1234567890123400
5. Price Mark-Up & Down Calculation
↓
↑
200+(P x 20%)=P
5/4
P=
- 1
A 0 2 3 4 F
250–200 = 50
125–(P x 20%)=P
P=
1
125–100 = 25
6. Delta Percent
↓
↑
180
5/4
150
A 0 2 3 4 F
20%
7. Tax Calculation
100+TAX(3%) = 103
A 0 2 3 4 F
Tax amount = 3
5/4
3 = Tax amount
206-TAX(3%) = 200
Tax amount = 6
6 = Tax amount
Decimal place selection switch
Floating decimal mode
Fixed decimal mode
ADD–mode automatically enters the monetary
decimal in addition and subtraction calculations
Round-up / Round-off / Round-down switch
x 100% = 20%
= 12
1
= 0.166....
5
-
4)
[
12 [x] 4 [M+] 20 [÷] 2 [M–]
[MR]
[MC]
123456789012345
[00 0]
ON
[
C
200
= 250
20%
125
= 100
+
25%
-
150
x100% =
[CE] : Clear entry key
[M–] : Memory minus key.
[MR] : Memory recall key
[RATE]: Tax Rate Setting key
ERROR：Overflow-error.
–TAX : Price excluding tax
+TAX : Price including tax
RATE : Tax rate setting
Key operation
ON
[
]
C
1 [x] 2 [x] 3 [=]
ON
[
]
C
2 [x] 2 [CE] 3[=]
2 [+] 3 [+] 6
2 [+] 4 [+] 6 [=]
[00 0]
12345
[x] 100 [=]
5 [x] 3 [÷] 0.2 [=]
300 [x] 27 [%]
11.2 [÷] 56 [%]
30 [+] 40 [%]
30 [–] 40 [%]
5 [x] [=] [=] [=]
144 [ ]
1490 [+] 35 [–] 145 [+]
1205 [=]
30 [÷] [=]
2 [x] 5 [–] 4 [÷] [=]
ON
]
C
[CE]
2 [+] 3 [=]
4 [=]
3 [x] 4.111 [=]
6 [=]
[x] 100 [=]
]
200 [÷] 20 [MU]
[MU]
125 [÷] 25 [+/–] [MU]
[MU]
180 [–] 150 [MU]
3 [RATE] [+TAX]
100 [+TAX]
[+TAX]
103 = Tax inclusive value
ON
[
]
[RATE] [-TAX]
C
206 [-TAX]
[-TAX]
200 = Tax exclusive value
English
English
English
ON
[
]
key.
C
ON
[
]
C
MEMORY
MEMORY
ERROR
123'456'789'01234
ERROR
12.345678901234
103.
200.
Display
0.
6.
0.
6.
0.
12.
1'234
123'400
75.
81.
20.
42.
18.
625.
12.
25.85
0.03
0.16
0.
10.
38.
0.
5.00
7.00
12.34
18.00
0.
250.
50.
100.
25.
20.
3.
%
+TAX
3.
TAX
3.
%
-TAX
6.
TAX
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