Homepage
Open in app
Sign in
Get started
Out of the Pigeonhole
A creative spin on teaching ideas in math and computer science
Follow
Hash Functions and the Most Underrated Data Structure
Hash Functions and the Most Underrated Data Structure
I had dinner with my parents recently and they asked me to tell them about something interesting so I decided to try and explain hash…
Amy Liu
Sep 24, 2018
Binary Relations in SET
Binary Relations in SET
The card game SET is full of mathematical potential (see this book on combinatorics, probability, and linear algebra in SET, this paper…
Amy Liu
May 22, 2018
Regexes as building blocks (plus cute baby animals!)
Regexes as building blocks (plus cute baby animals!)
Here is a way of introducing regular expressions as a paper-based pattern matching puzzle. The idea is simple: choose some “character…
Amy Liu
May 15, 2018
Theme and Variations on Subdividing a Square
Theme and Variations on Subdividing a Square
A theme is a melodic idea that is then explored and riffed on several times in variations, each of which can have a different harmony…
Amy Liu
May 13, 2018
Human Turing Machine Puzzles
Human Turing Machine Puzzles
I recently came up with a simple game to introduce the idea of Turing machines and modeling computation as processing some input via states…
Amy Liu
May 10, 2018
About Out of the Pigeonhole
Latest Stories
Archive
About Medium
Terms
Privacy
Teams