CITIZEN SR-281N User Manual
Page 253

SR260B_SR-281N_Dannish_v090331.doc SIZE: 140x75mm SCALE 1:1
2009/4/1
-Da17-
DEG
r
[ = ]
3 0 . 4 1 3 8 1 2 6 5 1 5
DEG
θ
[ 2nd ] [ X
↔
Y ]
8 0 . 5 3 7 6 7 7 7 9 2
¾
Hvis r = 25,
θ
= 56
o
hvad er så x , y ? Svar : x = 13.9798225868,
y = 20.7259393139
DEG
( )
P
R ( 2 5 ,
[ 2nd ] [ P R ] 25 [ 2nd ] [ ] 56
5 6
DEG
X
[ = ]
1 3 . 9 7 9 8 2 2 5 8 6 8
DEG
Y
[ 2nd ] [ X
↔
Y ]
2 0 . 7 2 5 9 3 9 3 1 3 9
Sandsynlighed
Lommeregneren har følgende sandsynlighedsfunktioner
[ nPr ] Beregner antallet af mulige permutationer af n elementer,
der udtages r elementer ad gangen.
[ nCr ] Beregner antallet af mulige kombinationer af n elementer,
der udtages r elementer ad gangen.
[ x ! ]
Beregner fakultet af det angivne positive heltal n, hvor n
≦ 69.
[ RND ] Genererer et tilfældigt tal mellem 0 og 0.999
¾
840
!
]
)
4
7
(
[
!
7
=
−
DEG
7 P 4 =
7 [ 2nd ] [ nPr ] 4 [ = ]
8 4 0 .
¾
5
3
!
]
)
4
7
(
[
!
4
!
7
=
−
DEG
7 C 4 =
7 [ 2nd ] [ nCr ] 4 [ = ]
3 5 .
¾
5 ! = 120
DEG
5 ! =
5 [ 2nd ] [ x ! ] [ = ]
1 2 0 .
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