interesting.md

Five interesting facts about F♭ (#fflat):

1. It's concatenative:

http://evincarofautumn.blogspot.com/2012/02/why-concatenative-programming-matters.html

2. It's arbitrary precision:

https://runkit.com/hypercubed/numerical-differentiation

3. All values are immutable, using structural sharing:

Internally using /~https://github.com/aearly/icepick.

4. Actions can be undone:

5. F♭ is a super set of JSON:

Bonus. It's my model train.