Solution 15789: Calculating Combinations and Permutations on the TI-30Xa and TI-30Xa Solar.
How do I calculate combinations and permutations on the TI-30Xa and TI-30Xa Solar?
The example below will demonstrate how to calculate combinations and permutations on the TI-30Xa and TI-30Xa Solar:
Example:
What are the combinations of 6 choosing 2?
Combination Solution:
1) Press [6] [2nd][8] (for nCr) [2][ENTER].
The solution will be shown as 15.
Permutation Solution:
1) Press [6] [2nd][9] (for nPr) [2][ENTER].
The solution will be shown as 30.
Please see the TI-30Xa family guidebooks for additional information.
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