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 .4138126515
DEG
θ
[ 2nd ] [ X↔Y ]
8 0
.
537677792
¾ If r = 25,
θ
= 56 o what are x, y ? Ans : x = 13.9798225868,
y = 20.7259393139
DEG
(
)
PR(25,
[ 2nd ] [ P R ] 25 [ 2nd ] [ ] 56
56
DEG
X
[=]
1 3 .9798225868
DEG
Y
[ 2nd ] [ X↔Y ]
2 0
.
7
259393139
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
! ] ) 47 ( [
! 7 =
−
DEG
7P4=
7 [ 2nd ] [ nPr ] 4 [=]
840.
¾ 53
! ] ) 47 ( [ ! 4
! 7 =
−
DEG
7C4=
7 [ 2nd ] [ nCr ] 4 [=]
35.