F 1 2, Example 2, Operation – Casio fx-570MS User Manual
Page 14: Result, Determine, Enter the comp mode
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Permutation, Combination
Example 2
Example 2
Operation
How many different combinations
are possible when selecting three
individuals from a class of 38?
Determine
38
C
3
.
* The following shows operation using the fx-82MS/85MS/350MS/95MS.
1
.
Enter the COMP Mode.
F 1
2
.
Determine
38
C
3
.
38
n
3
=
Result:
38
C
3
= 8436
]
The above shows there are 8436 different combinations possible.
Explanation
Explanation
3
38
1
2
3
4
5
6
1
7
3
4
5
6
13
2
3
4
5
6
1
2
3
4
5
6
25
26
27
28
29
30
37
31
32
38
33
34
35
36