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*电源
中文
CITIZEN SDC-640II 是双重电池计算器(太阳能与电池供电),可以在 任何光线下操作。
如果在 6 分钟左右不进行任何操作计算器的电源将会自动关闭。
如果需要更换电池,打开下盖取出旧电池,将新电池放在电池槽
中。更换电池后,请用一金属、椭圆形物体压按印刷电路板上的 RESET 板。
*按键索引
中文
[ ONC ] : 关机/全部清除 | [CE] : 清除输入 |
[MU] : 标价/降价 | [00t0] : 未位删除键 |
[M+] : 加法记忆键 | |
[+ / | [MR] : 记忆键 |
[MC] : 消除键 | [MII+] |
– F –
– 0 – 2 – 3 –
– A –
5/4
小数字设定开关
浮点小数模式 固定小数字模式
加位模式 自动在加法与减法计算中加入货币小数点
无条件进位/四舍五入/无条件舍去 开关
显示屏各标志之意义: |
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MEMORY:第 1 组记忆 |
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MEMORYII:第 2 组记忆 | ERROR:溢位 / 错误 |
*操作范例
1.一般计算操作
在执行计算前,先按[ONC ]键。
中文
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| 范例 |
| 按键操作 | 显示 | ||||
5/4 |
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| 1 x 2 x 3 = 6 | [ ONC ] | 0. | |||||||
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| 1 | [x] 2 [x] 3 [=] | 6. |
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| [ ONC ] | 0. | |
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| 2 x 3 = 6 |
| 2 | [x] 2 [CE] 3 [=] | 6. | |||
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| 2 + 4 + 6 = 12 | 2 | [+] 3 [+] 6 [ ONC ] | 0. | |||||
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| 2 | [+] 4 [+] 6 [=] | 12. |
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| 1234 x 100 |
| 12345 [00t0] | 1'234 | ||||
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| = 123,400 |
| [x] 100 [=] | 123'400 | |||||
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| 5 x 3 ⎟ 0.2 = 75 | 5 | [x] 3 [⎟] 0.2 [=] | 75. | ||||
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| 300 x 27% = 81 | 300 [x] 27 [%] | 81. | |||||
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| 11.2 | x 100% = 20% | 11.2 [⎟] 56 [%] | 20. | ||||
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| 30 + (30 x 40%) = 42 | 30 [+] 40 [%] | 42. | |||||
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| 30 – (30 x 40%) = 18 | 30 | 18. | |||||
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| 54 = 625 |
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| 5 | [x] [=] [=] [=] | 625. | |||
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| $14.90 + $0.35 – $1.45 | 1490 [+] 35 |
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5/4 |
| + $12.05 = $25.85 | 1205 [=] | 25.85 | ||||||||
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| 1 / 30 = 0.0333…. | 30 [⎟] [=] | 0.03 | ||||||||
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| (2 x 5 - 4) | ||||||
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2.记忆计算的操作
5/4
(12 x 4) –
(20⎟ 2) = 38
15 x 2 = 30
20 x 3 = 60
25 x 4 = 100 (total A = 190) 10 ⎟ 5 = 2
4 x 2 = 8 (total B = 10) A ⎟ B = 19
[ ONC ]
12[x] 4 [M+] 20 [⎟] 2
[MC] [CE]
15[x] 2 [M+] 20 [x] 3 [M+]
25[x] 4 [M+] [MR]
10[⎟] 5 [MII+] 4 [x] 2 [MII+] [MII RC ]
[MR] [⎟] [MII RC ] [=]
[MII RC ] [MII RC ] [MC] [ ONC ]
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY
MEMORY MEMORY II MEMORY MEMORY II
MEMORY MEMORY II MEMORY MEMORY II MEMORY MEMORY II
0.
10.
38.
0.
60.
100.
190.
8.
10.
190.
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19.
0.
3.常数计算
5/4 | 2 + 3 = 5 | 2 | [+] 3 [=] | 5.00 |
| 4 + 3 = 7 | 4 | [=] | 7.00 |
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| 3 x 4.111 = 12.333 | 3 | [x] 4.111 [=] | 12.34 |
| 3 x 6 = 18 | 6 | [=] | 18.00 |
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4.超出运算容量的消除
12345678901234 | 123456789012345 | ERROR | 12’345’678’901’234 |
x 100 | [00t0] [x] 100 [=] | ERROR | 12.345678901234 |
= 1234567890123400 | ON |
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5.标价&降价计算
5/4 | 200+(P x 20%)=P | 200 [⎟] 20 [MU] | 250. | |||||
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| P= | 200 | = 250 | [MU] | 50. | ||
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| 125 [⎟] 25 | 100. | |||||
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| P= | 125 |
| = 100 | [MU] | 25. | |
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| 1+ 25% |
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6.差值百分比 |
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5/4 | 180 - 150 | x100% | 180 | 20. | ||||
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| = 20% |
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File name: D494_IB_Chinese_080919.doc | Date : 2008/9/19 |
Size : 250x72mm(成型 : 125x72mm)