Have you ever wondered how many different ways a few books can be arranged on a shelf?
This interactive widget helps you discover the idea of factorials by turning numbers into something you can see and play with.
Have you ever wondered how many different ways a few books can be arranged on a shelf?
This interactive widget helps you discover the idea of factorials by turning numbers into something you can see and play with.
That interactive widget is a really clever way to visualize factorials – I found a similar concept explained with traffic flow on https://tinyfun.io/game/chasing-traffic, which helped me understand it even more. It’s interesting to see how quickly the number of arrangements grows with each additional book.