Education Technology

Solution 15769: Calculating Combinations and Permutations on the TI-30X IIS/B and TI-34 II Explorer Plus™.

How do I calculate combinations and permutations on the TI-30X IIS/B and TI-34 II Explorer Plus?

The example below will demonstrate how to calculate combinations and permutations on the TI-30X IIS/B and TI-34 II Explorer Plus:

For example: What are the combinations of 5 choosing 2?

1) Press [5] [PRB] [Right Arrow] [ENTER] [2] [ENTER].

The screen will show 10.

For example: What are the permutations of 5 choosing 2?

1) Press [5] [PRB] [ENTER] [2] [ENTER].

The screen will show 20.

Please see the TI-30X IIB / TI-30X IIS or TI-34 II Explorer Plus guidebooks for additional information.