Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode. (2024)

Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode.

How do I calculate permutations and combinations using the TI-83 family, TI-84 Plus family, and TI-Nspire handheld in TI-84 Plus mode?

The examples below will demonstrate how to calculatepermutations andcombinationsusing the TI-83 family, TI-84 Plus family, and TI-Nspire handheldin TI-84 Plus mode.

Example: How many possible permutationsof2cards can be chosen from a deck of 5 cards?

1)Input 5.
2)Press [MATH], arrow left to highlight PRB, then press [2]to select the nPr function.

Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode. (1)

3)Input2and press [ENTER].There are 20 possible permutations of choosing2 cards from a deck of 5 cards.

Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode. (2)

Example: How many possiblecombinationsof2 cards can be chosen froma deck of 5 cards?

1)Input 5.
2)Press [MATH], arrow left to highlight PRB, then press [3]to select the nCr function.

Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode. (3)

3)Input2and press [ENTER].There are 10 possiblecombinations of choosing2 cards from a deck of 5 cards

Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode. (4)

Please see the TI-83 family and TI-84 Plus family guidebooks for additional information.

TI-Nspire handheld in TI-84 Plus mode users may refer to the TI-84 Plusfamily guidebook.

Solution 11700: Calculating Permutations and Combinations Using the TI-83 Family, TI-84 Plus Family, and TI-Nspire™ Handheld in TI-84 Plus Mode. (2024)

FAQs

How to do factorial on TI 83 Plus? ›

The factorial command is located in the MATH menu's PRB sub-menu. To compute 4!, press these keystrokes: 4 MATH 4 ENTER or 4 MATH ENTER ENTER.

How to calculate permutations and combinations? ›

a, b, c is ab, bc, ca. Formula for permuation is: n Pr = n!/(n – r)! The formula for Combination is: n Cr = n! /{r! × (n – r)!}

What does nPr do on TI-84? ›

You can work permutations and combinations on the TI-84 Plus calculator. A permutation, denoted by nPr, answers the question: “From a set of n different items, how many ways can you select and order (arrange) r of these items?” One thing to keep in mind is that order is important when working with permutations.

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