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Citizen SDC-805BN - Page 14

Citizen SDC-805BN
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File name: SDC-805BN_Chinese_20100105 version : 10/01/05
* 电源 中文
CITIZEN SDC-805BN 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。
-自动关闭电源-
如果在七分钟左右不进行任何操作计算器的电源将会自动关闭。
-电池更换-
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
* 按键索引 中文
[ON/C] : 开机 / 全部清除 [CE] : 清除输入键
[+ / –] : 正负号改变键
[M+] : 加法记忆键
[M–] : 减法记忆键 [MRC] : 显示 / 清除记忆内容键
[
] : 平方根键
显示屏各标志之意义:
M:记忆 :负
E:溢位 / 错误
* 操作范例 中文
1.一般计算操作
在执行计算前,先按
[ON/C] 键。
范例 按键操作 显示
2 x 3 = 6 2 [x] 3 [=]
6.
7 x 9 = 63 7 [÷] [x] 9 [=] 63.
300 x 27% = 81 300 [x] 27 [%] 81.
56
11.2
x 100% = 20%
11.2 [÷] 56 [%] 20.
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 5 [x] 3 [÷] 0.2 [=] 75.
8 ÷ 4 x 3.7 + 9 =16.4 8 [÷] 4 [x] 3.7 [+] 9 [=] 16.4
5
4
= 625 5 [x] [=] [=] [=] 625.
1 / 2 = 0.5 2 [÷] [=] 0.5
10) 3 x (2
1
+
= 0.0625
2 [x] 3 [+] 10 [÷] [=] 0.0625
144
= 12
144 [
]
12.
2. 记忆计算的操作
[MRC] [MRC] [ON/C]
0.
12 [x] 4 [M+] 20 [÷] 2 [M–]
M
10.
[MRC]
M
38.
(12 x 4) – (20 ÷ 2) = 38
[MRC] [ON/C]
0.
3. 常数计算
2 + 4 = 6 2 [+] 4 [=] 6.
6 + 4
= 10 6 [=] 10.
7 – 5
= 2 7 [–] 5 [=] 2.
15 – 5
= 10 15 [=] 10.
3 x
4 = 12 3 [x] 4 [=] 12.
3 x
6 = 18 6 [=] 18.
10 ÷ 5
= 2 10 [÷] 5 [=] 2.
15 ÷ 5
= 3 15 [=] 3.
4. 超出运算容量的消除
12345678 12’345’678.
[x] 100 [=]
E
12.345678
12345678 x 100
= 1234567800
[ON/C]
0.

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