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

+] : Price with tax key / To store tax rate when pressing [SET]

and [+TAX] keys

[RECALL

−] : 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

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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]

8 – 3 = 5

7 x 9 = 63

8 [+] [–] 3 [=]

7 [÷] [x] 9 [=]

63.

2 x 3 = 6 2 [x] 2 [CE] 3 [=] GT 6.

2 + 4 + 6 = 12 2 [+] 3 [+] 6 [ON/C]

2 [+] 4 [+] 6 [=]

12.

1234 x 100 =

123,400

12345

[]

[x] 100 [=]

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

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.

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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.

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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.

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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]

123’456’789’012.

12.3456789012

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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

[SET] [ON/C]

10 [ ] [LOCAL]

LOCAL

=12.14

LOCAL 1.2140

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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