Solution 12303: Calculating Combinations and Permutations on the TI-36X Solar and TI-36X II.
How do I calculate combinations and permutations on the TI-36X Solar and TI-36X II?
The examples below will demonstrate how to calculate combinations and permutations on the TI-36X Solar.
Example 1 : What are the combinations of 5 choosing 2?
1) Press [5] [x<>y] [2] [3rd] [nCr]
The displayed answer will show 10.
Example 2 : What are the permutations of 5 choosing 2?
1) Press [5] [x<>y] [2] [2nd] [nPr]
The displayed answer will show 20.
The examples below will demonstrate how to calculate combinations and permutations on the TI-36X II.
Example 1 : What are the combinations of 5 choosing 2?
1) Press [5] [2nd] [PRB].
2) Arrow over to nCr and press [ENTER].
3) Press [2] [ENTER].
The displayed answer will show 10.
Example 2 : What are the permutations of 5 choosing 2?
1) Press [5] [2nd] [PRB].2) Press [ENTER].
3) Press [2] [ENTER].
The displayed answer will show 20.
Please see the TI-36X Solar and TI-36X II guidebooks for additional information.