This blog has a really interesting assortment of articles on mathematics and programming. You can use the tags to your right to find topics that interest you, or you may want to have a look at

- the problems I wrote to get your brain working;
- some twitter proofs of mathematical facts.

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This article is an in-depth analysis of Python solutions to the “Sonar Sweep” problem, which is day 1 of Advent of Code 2021.

Today I learned about the symmetry in indexing from the beginning and end of a list with the bitwise invert operator.

This article will teach you about the minimax algorithm and alpha-beta pruning, from a beginner's perspective.

Today I learned about the DARPA network challenge and the power of referral systems.

This is a short article on how I quickly used APL to verify my combinatorics calculations.

Can you make the pyramid point the other way by moving only three coins?

Can you help these kids trick or treat their entire neighbourhood in this Halloween special?

Today I learned that Python 3.5+ supports the operator `@`

for matrix multiplication.

Today I learned how to do ceiling division in Python just with `//`

.

If I scramble a Rubik's cube for long enough, will it solve itself?

It's night time and 4 friends need to cross a fragile bridge, but they only have one torch. What's the order in which they should cross?

Three friends are given three different numbers that add up to a dozen. Can you figure out everyone's numbers?

You have two magical ropes that you can set on fire and you need to count 45 minutes. How do you do it?

You are on vacation and must find the most efficient way to cross all bridges. How will you do that?