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BECAUSE… THERE’S AN EXCLAMATION POINT AFTER MY NAME. IT’S KINDA MY THING.
Ah. Of course.
Tell you what – I’ll take it from here. SUIT YOURSELF.
A factorial, as my friend here mentioned, ends in an exclamation point.
However, the exclamation point – for once - is not being added for emphasis, or because
factorials are particularly exciting. HEY!
It is just a symbol which indicates that the number you are dealing with is, in fact, a
For example, the number 4 factorial…
…really represents: “4 times 3 times 2 times 1.”
HOW IS THAT HELPFUL? Glad you asked.
Say you’re going to see your favorite band Troll Slayer in concert.
The band is great… but they’ve only written four songs:
Deathtongue, Anvil of Evil, Scorpion Love, and Hate Shroud.
It isn’t tough to figure out what kind of music they’re going to play…
…but try figuring out in what order they will play their four songs.
We know you’ve got your fingers crossed that they open with Scorpion Love.
Then segue into Anvil of Evil, follow that puppy up with Hate Shroud, and finally bring
the house down with Deathtongue. But that’s only one possible set list. How
many possibilities are there?
Well, there are 4 options for their opener.
Once their first song has been determined, there are only 3 options for their second
Then, only 2 options for their third…
…and lastly, a single option left for the big finale.
There are 4 times 3 times 2 times 1 – or 24 – possible orders for the band’s set
Make sense? SURE! BUT WHAT IF THE AUDIENCE WANTS AN ENCORE?
I don’t think they’re ready for that kind of math.
Blurb: Do you have trouble organizing your desk?
Are your bookshelves a disaster area? Well, you’re in luck! Act now, and get yourself
a pack of factorials, designed to help you get your life in order! (Limit 2 per customer.)