Power Supply; Key Index; Calculation Examples; Memory Calculation - Citizen SDC-320II Instruction Manual

* POWER SUPPLY

CITIZEN model SDC-320II 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 9 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.
After changing battery, please use a metal, elliptical object to press the
RESET pad on printed circuit board.

* KEY INDEX

ON
[ ] : Power on / Clear Entry / Clear key
CE C
•
[00 → 0] : Right shift key
[M+] : Memory plus key
[M–] : Memory minus key
[+/–] : ±Sign change key
[ ] : Memory recall / Memory clear key
M
R
C
[MU] : Mark-up / Mark-down Key
[GT] : Grand total key
[RATE] : Tax rate setting key
STORE
] : ➀ Price with Tax key
[
+
TAX
➁ To store tax rate when pressing [RATE] and [+TAX] keys
RECALL
] : ➀ Price without Tax key
[
− TAX
➁ To recall tax rate when pressing [RATE] and [-TAX] keys
A 0 2 3 F
Decimal place selection switch
– F – Floating decimal mode
– 0 – 2 – 3 – 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:
MEMORY：Memory
–MINUS：Minus(or negative)
ERROR：Overflow-error
GT：Grand total
%：Tax rate stored
* OPERATION EXAMPLES

1.Calculation Examples

Before performing each calculation, press the [
Example
2 x 3 = 6
A 0 2 3 F
7 x 9 = 63
300 x 27% = 81
11.2
x 100% = 20%
56
300+(300 x 40%)=420 300 [+] 40 [%]
300–(300 x 40%)=180 300 [–] 40 [%]
1400 x 12% = 168
6 + 4 + 7.5 = 17.5
5 x 3 ÷ 0.2 = 75
8 ÷ 4 x 3.7 + 9 =16.4
4
5 = 625
1 / 2 = 0.5
1
+
(2 x 3
A 0 2 3 F
$14.90+$0.35–$1.45+
$12.05=$25.85
5/4

2.Memory Calculation

(12 x 4) – (20 ÷ 2)
A 0 2 3 F
= 38
5/4

3.Constant Calculation

2 + 3 = 5
A 0 2 3 F
4 + 3 = 7
3 x 4 = 12
3 x 6 = 18
4.Overflow Error Clear
123456789012 x 10000
= 1'234.56789012 x 10
5.Price Mark-Up & Down Calculation
200+(P x 20%)=P
A 0 2 3 F
2000
P=
5/4
- 1 20%
2500–2000 = 500.00
200–(P x 20%)=P
2000
P=
+
1 20%
18000
15000
= 20.00%
6.GT-Memory
Pressing [GT] twice before you operate GT function.
20 + 10 = 30
A 0 2 3 F
45 – 25 = 20
50 x 3 = 150
total = 200
200 x 15% = 30
200 + (200 x 15%) =
230
All calculation results are automatically accumulated in GT.

7.Tax Calculation

100+TAX(3%)
= 103
Tax sum = 3
3 = Tax sum
206–TAX(3%)
= 200
Tax sum = 6
6 = Tax sum
TAX：Amount of tax
–TAX：Price excluding tax
+TAX：Price including tax
RATE：Tax rate setting
Key operation
2 [x] 2 [
7 [÷] [x] 9 [=]
300 [x] 27 [%]
11.2 [÷] 56 [%]
1400 [x] 12 [%]
6 [+] 4 [+] 7.5 [=]
[
0.2 [=]
8 [÷] 4 [x] 3.7 [+] 9 [=]
5 [x] [=] [=] [=]
2 [÷] [=]
= 0.0625
2 [x] 3 [+] 10 [÷] [=]
10)
1490 [+] 35 [–] 145
[+] 1205 [=]
M
[ ] [
R
C
12 [x] 4 [M+] 20 [÷] 2 [M–]
M
[ ]
R
C
M
[ ] [
R
C
2 [+] 3 [=]
4 [=]
3 [x] 4 [=]
6 [=]
1234567890123 [00→0]
12
[x] 10000 [=]
ON ON
[ ] [
CE C CE
•
2000 [÷] 20 [MU]
[MU]
=2'500.00
2000 [÷] 20 [+/–] [MU]
=1'666.67
- 15000
18000 [–] 15000 [MU]
x100%
[GT] [GT] 20 [+] 10 [=]
45 [–] 25 [=]
50 [x] 3 [=]
[GT]
[x] 15 [%]
[GT]
[GT]
[
CE
3 [RATE] [+TAX]
100 [+TAX]
[+TAX]
103 = Tax inclusive value
ON
[ ] [RATE] [–TAX]
CE C
•
206 [–TAX]
[–TAX]
200 = Tax exclusive value
ON
] key two times.
CE C
•
ON
] 3 [=]
CE C
•
ON ON
] [ ] 5 [x] 3 [÷]
CE C CE C
• •
ON
M
] [ ]
R
C
CE C
•
ON
]
CE C
•
ERROR
]
C
•
ON
]
C
•
English
English
English
Display
6.
GT
GT
63.
GT
81.
GT
20.
GT
420.
GT
180.
GT
168.
GT
17.5
GT
75.
16.4
GT
GT 625.
GT
0.5
GT 0.0625
145.
GT
25.85
0.
10.
MEMORY
MEMORY
38.
0.
5.
7.
12.
18.
123'456'789'012.
1'234.56789012
0.
2'500.00
500.00
1'666.67
20.00
GT 30.
GT 20.
GT 150.
GT 200.
GT 30.
GT 230.
230.
0.
%
3.
+TAX
103.
TAX
3.
%
3.
–TAX
200.
TAX
6.