-E17-
¾
If x = 5, y = 30, what are r,
? Ans : r = 30.4138126515,
=
80.537677792
o
DEG
( )
R
P ( 5
,
[ 2nd ]
[ R P ] 5 [ 2
nd ] [ ] 30
3 0
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, = 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
Љ
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
=
−
