* POWER SUPPLY
CITIZEN model SDC-444S 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 / All Clear key.
AC
[CE/C] : Clear Entry / Clear key.
[MU] : Price Mark-up/down key
[00 0] : Shift-back key.
[M–] : Memory minus key.
[MR] : Memory recall key
[MII+] [MII–] [MII
A 0 2 3 4 F
Decimal place selection switch
Floating decimal mode
– F –
0
2
3
4
Fixed decimal mode
–
–
–
–
–
– A –
ADD–mode automatically enters the monetary
decimal in addition and subtraction calculations
↑
↓
5/4
Round-up / Round-off / Round-down switch
The Signs Of The Display Mean The Following:
MI:The first memory loaded.
MII:The second memory loaded.
* 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
x 100% = 20%
56
30 + (30 x 40%) = 42
30 – (30 x 40%) = 18
4
5
= 625
= 12
144
A 0 2 3 4 F
$14.90 + $0.35 – $1.45
+ $12.05 = $25.85
↑
↓
5/4
1 / 30 = 0.0333....
1
A 0 2 3 4 F
(2
x
5
2.Memory Calculation
(12 x 4) – (20 ÷ 2) =
↓
↑
5/4
38
A 0 2 3 4 F
15 x 2 = 30
20 x 3 = 60
25 x 4 = 100
(total A = 190)
10 ÷ 5 = 2
4 x 2 = 8
(total B = 10)
A ÷ B = 19
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
123456789012 x 100
= 12345678901200
5.Price Mark-Up & Down Calculation
↑
↓
200+(P x 20%)=P
5/4
200
P=
- 1
20%
A 0 2 3 4 F
250–200 = 50
125–(P x 20%)=P
125
P=
+
1
25%
125–100 = 25
6.Delta Percent
↓
180
-
150
↑
5/4
150
A 0 2 3 4 F
20%
R
] : The Second Memory key
C
= 0.166....
-
4)
[
12 [x] 4 [M+] 20 [÷] 2 [M–]
[MR]
[MC]
15 [x] 2 [M+] 20 [x] 3 [M+]
25 [x] 4 [M+]
[MR]
10 [÷] 5 [MII+] 4 [x] 2 [MII+]
[MII
[MR]
[MII
[=]
[
2 [+] 3 [=]
4 [=]
3 [x] 4.111 [=]
6 [=]
1234567890123
[00 0]
[
200 [÷] 20 [MU]
[MU]
= 250
125 [÷] 25 [+/–] [MU]
[MU]
= 100
180 [–] 150 [MU]
x100% =
[M+] : Memory plus key.
[+ / –] : ±Sign change key
[MC] : Memory clear key
–:Minus ( or negative)
E:Overflow-error.
ON
[
]
key.
AC
Key operation
ON
[
]
AC
1 [x] 2 [x] 3 [=]
[CE/C]
2 [x] 2 [CE/C] 3[=]
2 [+] 3 [+] 6 [CE/C] [CE/C]
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
]
AC
[CE/C]
R
]
C
[÷]
R
]
C
ON
]
AC
[x] 100 [=]
ON
]
AC
English
English
English
Display
12.
1'234
123'400
75.
81.
20.
42.
18.
625.
12.
25.85
0.03
0.16
10.
MI
38.
MI
60.
MI
100.
MI
190.
MI
MI
MII
MI
10.
MII
MI
190.
MII
MI
10.
MII
MI
19.
MII
5.00
7.00
12.34
18.00
E
123'456'789'012
E
12.3456789012
250.
50.
100.
25.
20.
0.
6.
0.
6.
0.
0.
0.
8.
0.
0.