CITIZEN SR-281N - Manual (Page 18)

File name : CBM_SR-281N_IB_English_black_v09330.doc
Date: 2009/3/30 Trimmed Size : 140 x 75 mm SCALE 1 : 1
-E17-
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 If r = 25, θ = 56 o what are x, y ? Ans : 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
Probability
This calculator provides the following probability functions :
[ nPr ] Calculates the number of possible permutations of n item
taken r at a time.
[ nCr ] Calculates the number of possible combinations of n items
taken r at a time.
[ x ! ] Calculates the factorial of a specified positive integer n,
where n≦69.
[ RND ] Generates a random number between 0.000 and 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 .