Citizen SDC-3910 Instruction Manual page 2

* POWER SUPPLY
CITIZEN model SDC-3910 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-
Remove the screw and the battery cover. Install a new battery with the +
symbol facing upward. After changing, use a pointed object to press the
RESET hole near the battery. Replace the battery cover and secure the
screw.
* KEY INDEX
ON
[ ] : Power on / Clear entry / Clear key
CE / C
[M+] : Memory plus key
[M-] : Memory minus key
[MRC] : Memory recall key / Memory clear key
[MU] : Price mark-up / down key
[+/-] : ± Sign change key
[SET] : Exchange rate setting key
[LOCAL] : Local currency key
[ ] : Universal currency key
[ ] : Square Root key
The Signs Of The Display Mean The Following :
MEMORY : Memory
-MINUS : Minus (or negative)
ERROR : Overflow-error
* OPERATION EXAMPLES
1.Calculation Examples
Before performing each calculation, press the [
Example
2 x 3 = 6
6 + 4 + 7.5 = 17.5
3 - 6 - 4 = -7
5 x 3 ÷ 0.2 = 75
300 x 27% = 81
11.2
x 100% = 20%
56
300 + (300 x 40%) = 420
300 - (300 x 40%) = 180
4
5 = 625
1 / 2 = 0.5
1
=
. 0 0625
+
(2 x 3 10)
= 12
144
2.Memory Calculation
(25 x 5) - (84 ÷ 3)
+ (68 + 17) = 182
(52 - 35) ÷ (14 - 3 x 2)
= 2.125
135 x (12 + 14) = 3510
(12 + 14) ÷ 5 = 5.2
3.Constant Calculation
2 + 3 = 5
4 + 3 = 7
3 x 4 = 12
3 x 6 = 18
4.Overflow Error Clear
1234567890 x 10000
= 1'234.567890 x 10
5.Price Mark-Up & Down Calculation
2000+(P x 20%)=P
2000
P= =2'500
- 1 20%
2500-2000 = 500
2000-(P x 20%)=P
2000
P= =1'666.66
1 + 20%
18000 - 15000
x100%
15000
= 20%
6.Currency Conversion
EURO =1
USD= 1.2141
EURO 10
= USD 12.14
USD 25
= EURO 20.59
L - : Local currency rate
F - : Universal currency rate
Key operation
ON
2 [x] 2 [
CE /
6 [+] 4 [+] 7.5 [=]
3 [-] 6 [-] 4 [=]
5 [x] 3 [÷] 0.2 [=]
300 [x] 27 [%]
11.2 [÷] 56 [%]
300 [+] 40 [%]
300 [-] 40 [%]
5 [x] [=] [=] [=]
2 [÷] [=]
2 [x] 3 [+] 10 [÷] [=]
144 [ ]
[MRC] [MRC] [
25 [x] 5 [M+]
84 [÷] 3 [M-]
68 [+] 17 [M+]
[MRC]
ON
[MRC] [
CE /
[M-] 52 [-] 35 [÷]
[MRC] [=]
[MRC] [MRC] [
12 [+] 14 [M+]
135 [x] [MRC] [=]
[MRC] [÷] 5 [=]
2 [+] 3 [=]
4 [=]
3 [x] 4 [=]
6 [=]
1234567890
10
[x] 10000 [=]
ON ON
[ ] [
CE / C CE / C
2000 [÷] 20 [MU]
[MU]
2000 [÷] 20 [+/-] [MU]
18000 [-] 15000 [MU]
ON ON
[ ] [ ] [LOCAL]
CE / C CE / C
[SET] 1
[SET]
[ ]
[SET] 1.2141
[SET]
ON
[ ]
CE / C
10 [LOCAL] [ ]
25 [ ] [LOCAL]
ON
] key two times.
CE / C
] 3 [=]
C
ON
]
CE / C
] 14 [M+] 3 [x] 2
C
ON
]
CE / C
ERROR
]
L -
F -
English
English
English
Display
6.
17.5
-7.
75.
81.
20.
420.
180.
625.
0.5
0.0625
12.
125.
MEMORY
28.
MEMORY
85.
MEMORY
182.
MEMORY
2.125
MEMORY
3'510.
MEMORY
5.2
MEMORY
5.
7.
12.
18.
1'234'567'890.
1'234.567890
0.
2'500.
500.
1'666.666666
20.
the last set value
1
1.
the last set value
1.2141
1.2141
12.14
20.59