Citizen CDC-312 User manual
E– 1
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
POWER SUPPLY
CITIZEN model CDC-312 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 8 minutes.
-Battery change-
Remove the screw and the battery cover. Install a new battery
with the + symbol facing upward. After changing battery, please
use a pointed object to press the RESET hole near the battery.
Replace the battery cover and secure the screw.
KEY INDEX
[ON/C] : Power on / Clear key [CE] : Clear entry
[] : Shift-back key [+/–] : ±Sign change key
[GT] : Grand total key
[M+] : Memory plus key [M–] : Memory minus key
[MRC] : Memory recall key / Memory clear key
[] : Universal currency key [LOCAL] : Local currency key
[STORE
TA
X
+] : Price with tax key / To store tax rate when pressing [SET]
and [+TAX] keys
[RECALL
TA
X
−] : Price without tax key / To recall tax rate when pressing
[SET] and [-TAX] keys
[SET] : Exchange rate setting key / Tax rate setting key
E– 2
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
[SELL] [MARGIN] [COST] :
Used for calculating the cost, selling price and profit margin
amount. Enter the value of any 2 items to obtain the balance
item.
Decimal point selection switch
–F – : Floating decimal mode
– 0–2– 3– : Fixed decimal mode
– A–: ADD Mode -- Addition and subtraction
calculations are preformed with an
automatic 2-digit decimal so that
decimal point entry is not required.
Round-up / Round-off / Round-down switch
THE SIGNS OF THE DISPLAY MEAN THE
FOLLOWING:
M : Memory – : Minus ( or negative)
GT : Grand total E : Overflow-error
COST : Cost SELL : Selling price
MARGIN + % : Margin percentage
MARGIN : Margin (Selling price–Cost)
SET : Exchange rate or Tax rate setting
TAX + % : Tax rate stored TAX : Amount of tax
+TAX : Price including tax -TAX : Price excluding tax
LOCAL : Local currency : Universal currency
- 1 -
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
1.Calculation Examples
Before performing each calculation, press the [ON/C] key.
Example Mode
selection Key operation Display
1 x 2 x 3 = 6 [ON/C]
1 [x] 2 [x] 3 [=]
[ON/C]
GT
GT
0.
6.
0.
8 – 3 = 5
7 x 9 = 63
8 [+] [–] 3 [=]
7 [÷] [x] 9 [=]
GT
GT
5.
63.
2 x 3 = 6 2 [x] 2 [CE] 3 [=] GT 6.
2 + 4 + 6 = 12 2 [+] 3 [+] 6 [ON/C]
2 [+] 4 [+] 6 [=]
GT
0.
12.
1234 x 100 =
123,400
12345
[]
[x] 100 [=]
GT
12’345.
1’234.
123’400.
$14.90 + $0.35 –
$1.45 + $12.05 =
$25.85
1490 [+] 35 [–]
145 [+] 1205
[=]
GT 25.85
- 2 -
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
5 x 3÷0.2 = 75 5 [x] 3 [÷] 0.2 [=] GT 75.
8÷4 x3.7+9=16.4 8 [÷] 4 [x] 3.7 [+] 9 [=] GT 16.4
300 x 27% = 81 300 [x] 27 [%] GT 81.00
56
11.2 x 100%
= 20%
11.2 [÷] 56 [%] GT 20.00
300 [+] 40 [%] GT 420.00300+(300x40%)
=420
300–(300x40%)
=180
300 [–] 40 [%] GT 180.00
54= 625 5 [x] [=] [=] [=] GT 625.00
1 / 2 = 0.5 2 [÷] [=] GT 0.50
2)-5x(2
1= 0.125 2 [x] 5 [–] 2 [÷] [=] GT 0.12
(–6) + 4 + 7.5
= 5.5
6 [+/–] [+] 4 [+] 7.5
[=]
GT 5.5
3 – 6 – 4 = –7 3 [–] 6 [–] 4 [=] GT –7.
- 3 -
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
2.Memory Calculation
[ON/C] 0.
12 [x] 4 [M+] M48.
20 [÷] 2 [M–] M10.
[MRC] M38.
(12 x 4) – (20 ÷ 2)
= 38
[MRC] [ON/C] 0.
15 [x] 2 [M+] M30.
20 [x] 3 [M+] M60.
25 [x] 4 [M+] M100.
150 [÷] 5 [M–] M30.
40 [x] 3 [M–] M120.
[MRC] M40.
15 x 2 = 30
20 x 3 = 60
25 x 4 = 100
(total A = 190)
150 ÷ 5 = 30
40 x 3 = 120
(total B = 150)
A – B = 40
[MRC] [ON/C] 0.
- 4 -
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
3.Constant Calculation
3 [x] 4 [=] GT 12.3 x 4 = 12
3 x 6 = 18 6 [=] GT 18.
12 [÷] 4 [=] GT 3.12 ÷ 4 = 3
24 ÷ 4 = 6 24 [=] GT 6.
2 [+] 3 [=] GT 5.2 + 3 = 5
4 + 3 = 7 4 [=] GT 7.
3 [–] 2 [=] GT 1.3 – 2 = 1
2 – 2 = 0 2 [=] GT 0.
- 5 -
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
4.Overflow Error Clear
123456789012 x 100
= 123456789000
1234567890123
[]
[x] 100 [=]
[ON/C]
E
E
123’456’789’012.
123’456’789’012.
12.3456789012
0.
- 6 -
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
5.GT-Memory
Pressing [GT] twice before you operate GT function.
[ON/C] 20 [+] 10 [=] GT 30.
45 [–] 25 [=] GT 20.
50 [x] 3 [=] GT 150.
[GT] GT 200.
[x] 15 [%] GT 30.
[GT] GT 230.
[GT] 230.
20 + 10 = 30
45 – 25 = 20
50 x 3 = 150
total = 200
200 x 15% = 30
200+(200x15%)
= 230
[ON/C] 0.
● All calculation results are automatically accumulated in GT.
- 7 -
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
6.Tax Calculation
SET
3 [SET]
3.00
TAX
3.00 %
[+TAX]
3.00
TAX 4.50
3.00 %
150+TAX(3%)
=154.5
Tax sum = 4.5
Tax inclusive value
= 154.5
150 [+TAX]
+
TAX
=154.50
TAX
3.00 %
[ON/C] [SET]
[-TAX]
0.00
TAX 6.00
3.00 %
206–TAX(3%)
=200
Tax sum = 6
Tax exclusive value
= 200
206 [-TAX]
–
TAX
=200.00
- 8 -
File name: D87_E_040830_B Date: 2004/8/30
Size: 9 x 12.6 cm
7.Currency Exchange
LOCAL 1.
SET 1.
[LOCAL] [SET]
1.2140
LOCAL
=Ñ1.2140 Ò
LOCAL 1.2140
SET 1.
[] [SET] 1
=Ñ1. Ò
LOCAL 1.2140
1.
[SET] [ON/C]
10 [ ] [LOCAL]
LOCAL
=12.14
LOCAL 1.2140
1.
USD : EURO
= 1.2140 : 1
(LOCAL) ( )
EURO 10
= USD 12.14
USD 25
= EURO 20.59
25 [LOCAL] [ ]
=20.59
•It is not allowed to set the rate = 0
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