How to Pronounce n! and How to Use Factorials

My favorite professor in college used to pronounce n! as “n, dammit.” He was awesome, and a true rogue!

The “proper” way to pronounce it is “n factorial.” And here’s what it means:

When working with factorials, it is important to remember what can and can’t be done. Here’s how to use them in fractions:

You will have to work with factorials in Permutations and Combinations (info on those coming tomorrow). Here’s what factorial work will look like then:

These are all important steps for the upcoming post on Wednesday about “How to Calculate Permutations and Combinations”.

Questions? Need the info faster? Post your thoughts and questions in the comments section.

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2 Responses to How to Pronounce n! and How to Use Factorials

  1. Can I just say that you are a brilliant angel of math! I have such a hard time with it and you explain things in such easy examples that I finally figured these factorials out.

    Thank you, thank you, thank you!

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