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Let's prove that, if a set has size n, then that same set has exactly 2n subsets.

If there's one thing I like about Python is how I can use it to automate boring tasks for me. Today I used it to help me manage my own blog!

The 24 Game is a well-known maths game that is played with kids in school to help them master the four basic arithmetic operations. In this blog post we will study the game in depth.

Today we are visiting a specific instance of a well-known basic mathematics game, the 24 Game. The "24 Game" is usually played with younger students because it helps them develop skills related to the basic arithmetic operations.

Today is the day! Today is the day we take our APL programs and interpret them, so that something like ÷ 1 2 3 -⍨ 1.1 2.2 3.3 can output 10 5 3.33333333.

Take out a piece of paper and a pencil, I am going to ask you to write some letters in your sheet of paper and then I am going to challenge you to fold the sheet of paper... with a twist!

n mathematicians with numbered party hats gather around in a circle... It is a matter of life or death!

Let's build a simple APL interpreter! APL is an array-oriented programming language I picked up recently. The ease with which I can write code related to mathematics, its strange built-ins (which look like , , or ) and the fact that it is executed from right to left make it a fresh learning experience!

This post gives the source code for a small Haskell program that finds if a formula is a tautology.

There's 100 drawers and 100 shuffled balls. Can you find the one I choose?

I mixed up my hamburgers while cooking. Can you help me out?

This post gives you the code to mess around with "Tupper's self-referential formula", a formula that plots itself.

This post shows how fractals occur naturally in broccoli, one of my favourite vegetables.

Can you cover all of the rational numbers in [0, 1] with tiny intervals?

Split the numbers 0, 1, ..., 15 into two sets with sum interesting properties!

Can you find out how many carriages this circular train has?

How can 2018 monks find eternal peace?

How often do the hands of a clock overlap?

In high school I had a colleague that had his birthday on the same day as I did. What a coincidence, right? Right..?

How can 4 friends guess their own hat colours?