Bookmarks
Math & Computation
Divisor Drips and Square Root Waves
http://www.divisorplot.com/index.html
A non-technical article on universality
https://terrytao.wordpress.com/2010/09/14/a-second-draft-of-a-non-technical-article-on-universality/
Causal Entropic Forces (pdf)
https://alexwg.org/publications/PhysRevLett_110-168702.pdf
Calculus: Intuitive Explanations
https://intuitiveexplanations.com/math/calculus-intuitive-explanations
The Theory of Concatenative Combinators
http://tunes.org/~iepos/joy.html
Combinatorial Music Theory
http://andrewduncan.net/cmt/
To Dissect a Mockingbird: A Graphical Notation for the Lambda Calculus with Animated Reduction
https://dkeenan.com/Lambda/
Lambda Diagrams
https://tromp.github.io/cl/diagrams.html
The SKI Combinator Calculus - a universal formal system
http://people.cs.uchicago.edu/~odonnell/Teacher/Lectures/Formal_Organization_of_Knowledge/Examples/combinator_calculus/