Citizen CDC-80 Mode D'emploi

* POWER SUPPLY
CITIZEN model CDC-80/CDC-100 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
[+/–] : ± Sign change key
[M–] : Memory minus key
[M+] : Memory plus key
[MRC] : Memory recall key / Memory clear key
[RATE] : Tax rate setting key
RECALL
[ ] : Price without tax key / To recall tax rate when pressing
−
TAX
[RATE] and [–TAX] keys
SET
[ ] : Price with tax key / To store tax rate when pressing [RATE]
+
TAX
and [+TAX] keys
The Signs Of The Display Mean The Following :
MEMORY : Memory
–MINUS : Minus (or negative)
ERROR : Overflow-error
TAX% : Tax rate stored
* OPERATION EXAMPLES
1.Calculation Examples
Before performing each calculation, press the [CE/C] key two times.
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 [+] 40 [%]
300 – (300 x 40%) = 180 300 [–] 40 [%]
4
5 = 625
1 / 2 = 0.5
1
=
. 0 0625
+
(2 x 3 10)
2.Memory Calculation
(25 x 5) – (84 ÷ 3)
+ (68 + 17) = 38
(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
(CDC-100)
5.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 [CE/C] 3[=]
6 [+] 4 [+] 7.5 [=]
3 [–] 6 [–] 4 [=]
5 [x] 3 [÷] 0.2 [=]
300 [x] 27 [%]
11.2 [÷] 56 [%]
5 [x] [=] [=] [=]
2 [÷] [=]
2 [x] 3 [+] 10 [÷] [=]
[MRC] [CE/C] 25 [x] 5 [M+]
84 [÷] 3 [M–]
68 [+] 17 [M+]
[MRC]
[MRC] [CE/C] 14 [M+] 3 [x] 2
[M–] 52 [–] 35 [÷]
[MRC] [=]
[MRC] [CE/C] 12 [+] 14 [M+]
135 [x] [MRC] [=]
[MRC] [÷] 5 [=]
2 [+] 3 [=]
4 [=]
3 [x] 4 [=]
6 [=]
1234567890
10
[x] 10000 [=]
[CE/C] [CE/C]
3 [RATE] [+TAX]
100 [+TAX]
[+TAX]
103 = Tax inclusive value
[CE/C] [RATE] [–TAX]
206 [–TAX]
[–TAX]
206 = Tax exclusive value
English
English
English
Display
0.0625
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
1'234'567'890.
ERROR
1'234.567890
ERROR
+TAX
TAX
–TAX
TAX
6.
17.5
–7.
75.
81.
20.
420.
180.
625.
0.5
125.
28.
85.
182.
2.125
3'510.
5.2
5.
7.
12.
18.
0.
TAX%
3.
103.
3.
TAX%
3.
200.
6.