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File name : CBM_SR285,A_HDBSR285T19_Chinese.doc
version : 2010/04/26
或然率
z
按下
[ PRB ]
可顯示或然率的選單。請參閱範例
42~46.
,該選單包
含了下列的函數
:
nPr
用以計算在
n
個選項中,一次取
r
個作排列時的所有可能
排列方式總和。
nCr
用以計算在
n
個選項中,一次取
r
個作組合時的所有可能
組合方式總和。
!
用以計算一給定整數值
n
的階乘值
n 69
RANDM
0
1
之間產生一隨機數。
RAND
在兩個特定整數
A
B
之間產生一隨機整數此處
A
機數
B
其他函數
( x
–1
,
,
X
, x
2
,
^
)
z
本機亦提供倒數
( [ x
–1
] ),
平方根
( [
] ),
方根
( [
X
] ),
平方
( [ x
2
] )
以及乘冪
( [
^
] )
等函數。
請參閱範例
47~50.
單位換算
z
本機內建單位換算的功能可將數值由公制轉換為英制反之亦然。
請參閱範例
51.
1.
輸入數值
2.
按下
[ 2nd ] [ CONV ]
顯示選單,該選單包含
7
個選項
-
長度、
面積、溫度、容量、重量、能量與壓力。
3.
[
]
[
]
捲動選單至你想要的選項,然後按
[
]
4.
[
]
[
]
將輸入的數值轉換成另一單位的數值。
物理常數
z
在本機中,你可採用內建的物理常數,見下表
:
符號 意義 數值
c
光速
299792458 m / s
g
重力加速度
9.80665 m.s
–2
G
萬有引力常數
6.6725985 x 10
–11
N.m
2
kg
–2
Vm
在標準溫度與壓力
0.0224141 m
3
mol
–1
N
A
亞佛加德羅常數
6.022136736 x 10
23
mol
–1
e
電子電量
1.6021773349 x 10
–19
C
me
電子質量
9.109389754 x 10
–31
kg
m
p
質子質量
1.672623110 x 10
–27
kg
h
普朗克常數
6.626075540 x 10
–34
J.s
k
波茲曼常數
1.38065812 x 10
–23
J.K
–1
R
空氣常數
8.3145107 J / mol
z
k
239


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