CITIZEN TDS-2000 User Manual

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CITIZEN model TDS-2000 is a 12-digi t desktop calculator specially
designed with two big LCD display s. Just like a cash register, this
innovative feature m akes it possible for the 2
with your calculating process more conv eniently.

* POWER SUPPLY English

TDS-2000 is a dual-powered (high power solar + back-up battery )
calculator operative under any light ing conditions.

-Auto power-off function­The calculator switches the power off automatically if there has been no
key entry for about 10 minutes.

-Battery change­If the back-up battery needs to be changed, open the battery cover on
lower cabinet to remove the ol d battery and insert a new battery in t he
indicated polarity. After changing battery, please use a pointed object to
press the RESET hole near the battery. When you finish, replace the
battery cover and secure the screw.

* KEY INDEX English

[ON/C] : Power on / Clear key [CE] : Clear entry key
[00▶0] : Right Shift key [M–] : Memory minus key
[M+] : Memory plus key [+/–] : ±Sign change key
[MRC] : Memory recall key / Memory clear key
[%] : Percentage key [MU] : Mark-up / Mark-down key
[CHANGE] :  Change calculation key  To recall the amount to pay or the
amount of change when pressing [CHANGE] key
[RATE] : Tax rate setting key

STORE

] :  Price with Tax key

[

+TAX

 To store tax rate when pressing [RATE] and [+TAX] keys

RECALL

[

] :  Price without Tax key

-TAX

 To recall tax rate when pressing [RATE] and [-TAX] keys

0 1 2 3 F

– F –
– 0 –1– 2 – 3 –
– A –

5/4

The Signs Of The Display Mean The Following:

M : Memory TAX : Amount of tax
– : Minus (or negative) –TAX : Price excluding tax
+TAX : Price including tax RATE : Tax rate setting
% : Tax rate stored and recall ed E : Overflow / Logic / Memory error
CHANGE : Amount of change

Decimal place selection switch

Floating decimal mode
Fixed decimal mode
ADD–mode automatically enters the m onetary decimal
in addition and subtraction calcul ations

Round up / Round-off / Round-down switch

* OPERATION EXAMPLES English

1.Calculation Examples

Before performing each calculati on, press the [ON/C] key two times.

Example Key operation Display

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

0 1 2 3 F

7 x 9 = 63 7 [÷] [x] 9 [=] 63.
300 x 27% = 81 300 [x] 27 [%] 81.

11.2

x 100% = 20%

56

300+(300 x 40%)=420 300 [+] 40 [%] 420.
300–(300 x 40%)=180 300 [–] 40 [%] 180.
1400 x 12% = 168 1400 [x] 12 [%] 168.
6 + 4 + 7.5 = 17.5 6 [+] 4 [+] 7.5 [=] 17.5
5 x 3 ÷ 0.2 = 75 [ON/C] 5 [x] 3 [÷] 0.2 [=] 75.
8 ÷ 4 x 3.7 + 9 =16.4 8 [÷] 4 [x] 3.7 [+] 9 [=] 16.4

4

= 625 5 [x] [=] [=] [=] 625.

5
1 / 2 = 0.5 1[÷] 2 [=] or 2 [÷] [=] 0.5

= 0.0625

0 1 2 3 F

5/4

2.Memory Calculation

0 1 2 3 F

5/4

3.Constant Calculation

0 1 2 3 F

4.Overflow Error Clear

123456789012 x 10000
= 1'234.56789012 x 10

5.Price Ma rk-Up & Down C alculat ion

0 1 2 3 F

5/4

6.Tax Calculation

0 1 2 3 F

5/4

7.Change Calculation

0 1 2 3 F

5/4

10) 3 x (21+

$14.90+$0.35–$1.45+
$12.05=$25.85

(12 x 4) – (20 ÷ 2)
= 38

2 + 3 = 5 2 [+] 3 [=] 5.

= 7 4 [=] 7.

4 + 3
3 – 2

= 1 3 [–] 2 [=] 1.
= 0 2 [=] 0.

2 – 2

4 = 12 3 [x ] 4 [=] 12.

3 x

6 = 18 6 [ =] 18.

3 x
12 ÷ 4
24 ÷ 4 = 6 24 [=] 6.

2000+(P x 20%)=P

2000

P=

2500–2000 = 500.00
2000–(P x 20%)=P

2000

P=

+

15000

= 20.00%

100+TAX(3%) = 103
Tax sum = 3

3 = Tax sum 103 = Tax inclusive value
206-TAX(3%) = 200
Tax sum = 6

6 = Tax sum 200 = Tax exclusive value

100 + 20 = 120 100 [+] 20 [=] 120.
120 = the amount to pay
500 – 120
500 = the amount given 380 = the change returned
To recall the value to pay: [CHANGE]
This value is stored after performing [=] key.
To recall the value of change: [CHANGE]
This value is stored after performing [CHANGE] k ey.
1000 – 120
1000 = the amount given 880 = the change returned
To clear the values [ON/C] 0.

[MRC] [MRC] [ON/C] 0.
12 [x] 4 [M+] 20 [÷] 2 [M–]
[MRC]
[MRC] [ON/C]

= 3 12 [÷] 4 [=] 3.

123456789012

12

[x] 100000 [00▶0]
[=] E

[ON/C]

=2'500.00

20% - 1

=1'666.66

20% 1

15000 - 18000

x100%

[ON/C] [RATE] [-TAX]
206 [-TAX]
[-TAX]
[CE]

= 380 500 [CHANGE]

= 880 1000 [CHANGE]

nd

person to share together

11.2 [÷] 56 [%]

2 [x] 3 [+] 10 [÷] [=] 0.0625

1490 [+] 35 [–] 145
[+] 1205 [=]

2000 [÷] 20 [MU]
[MU]

2000 [÷] 20 [+/–] [MU]

145.

25.85

M
M

123’456’789’012.

10000.

1’234.56789012

2'500.00

500.00

1'666.66

18000 [–] 15000 [MU] 20.00

3 [RATE] [+TAX]
100 [+TAX]
[+TAX]

3.

103.

3.

3.

200.

6.

0.

CHANGE

120.

CHANGE

CHANGE

+TAX

TAX

-TAX
TAX

380.

380.

880.

6.

20.

10.

38.

0.

0.

%

%

File name: D510_English.doc version : 3/21/2006

File name: D510_English.doc version : 3/21/2006