A Piece of the Pi: mathematics explained
Subscribe
Sign in
Home
Podcast
Notes
Chat
Advanced
Beginner
Bonus Content ➕
Browse By Topic
Archive
Leaderboard
About
The maximum number of SETs for 12 cards
SET is a card game that is played with a deck of 81 cards.
Feb 10
•
Richard Green
14
Share this post
A Piece of the Pi: mathematics explained
The maximum number of SETs for 12 cards
Copy link
Facebook
Email
Notes
More
Identifying bottlenecks in networks
A large network, such as an infrastructure network or a social network, may contain highly connected regions that are linked to each other by…
Feb 3
•
Richard Green
8
Share this post
A Piece of the Pi: mathematics explained
Identifying bottlenecks in networks
Copy link
Facebook
Email
Notes
More
The mathematics of the game Waffle
Waffle is an online daily word game along the lines of Wordle. The game is played on a 21-square grid that resembles a waffle, and the aim is to…
Jan 22
•
Richard Green
8
Share this post
A Piece of the Pi: mathematics explained
The mathematics of the game Waffle
Copy link
Facebook
Email
Notes
More
7
Turning a triangle into a square
In 1902, Henry Dudeney showed that it is possible to cut an equilateral triangle into four polygonal pieces, and then to rotate and translate those…
Jan 11
•
Richard Green
22
Share this post
A Piece of the Pi: mathematics explained
Turning a triangle into a square
Copy link
Facebook
Email
Notes
More
3
Constructing space-filling curves
A curve that reaches every point in the unit square is known as a space-filling curve. One of the most famous space-filling curves is the Hilbert curve…
Dec 30, 2024
•
Richard Green
16
Share this post
A Piece of the Pi: mathematics explained
Constructing space-filling curves
Copy link
Facebook
Email
Notes
More
3
Beginner Posts
View all
Turning a triangle into a square
In 1902, Henry Dudeney showed that it is possible to cut an equilateral triangle into four polygonal pieces, and then to rotate and translate those…
Jan 11
•
Richard Green
22
Share this post
A Piece of the Pi: mathematics explained
Turning a triangle into a square
Copy link
Facebook
Email
Notes
More
3
Chutes, ladders, and Markov chains
The classic board game of Snakes and Ladders (or Chutes and Ladders) originated almost 2000 years ago in India, where it is known as Moksha Patam (see…
Dec 4, 2024
•
Richard Green
12
Share this post
A Piece of the Pi: mathematics explained
Chutes, ladders, and Markov chains
Copy link
Facebook
Email
Notes
More
2
Repunits and prime numbers
A repunit (“repeated unit”) is a number that only contains the digit 1 in some number base.
Nov 18, 2024
•
Richard Green
7
Share this post
A Piece of the Pi: mathematics explained
Repunits and prime numbers
Copy link
Facebook
Email
Notes
More
5
Misère Connect Four
It is well known that it is impossible to win at noughts and crosses (tic-tac-toe) unless your opponent makes a mistake, because if both players play…
Oct 17, 2024
•
Richard Green
3
Share this post
A Piece of the Pi: mathematics explained
Misère Connect Four
Copy link
Facebook
Email
Notes
More
3
How many triangles are there?
A well-known type of brain teaser invites the reader to count the number of triangles formed by dividing up a larger triangle using straight lines.
Oct 1, 2024
•
Richard Green
8
Share this post
A Piece of the Pi: mathematics explained
How many triangles are there?
Copy link
Facebook
Email
Notes
More
3
Top posts
How to build a computer using origami
Sep 20, 2023
•
Richard Green
18
Share this post
A Piece of the Pi: mathematics explained
How to build a computer using origami
Copy link
Facebook
Email
Notes
More
1
Curves and L-systems
Nov 3, 2023
•
Richard Green
16
Share this post
A Piece of the Pi: mathematics explained
Curves and L-systems
Copy link
Facebook
Email
Notes
More
5
The Rascal triangle
Jul 15, 2024
•
Richard Green
15
Share this post
A Piece of the Pi: mathematics explained
The Rascal triangle
Copy link
Facebook
Email
Notes
More
6
Diophantine m-tuples
Oct 13, 2023
•
Richard Green
16
Share this post
A Piece of the Pi: mathematics explained
Diophantine m-tuples
Copy link
Facebook
Email
Notes
More
1
Egyptian fractions
Jun 24, 2024
•
Richard Green
12
Share this post
A Piece of the Pi: mathematics explained
Egyptian fractions
Copy link
Facebook
Email
Notes
More
6
A Piece of the Pi: mathematics explained
For the intelligent general reader who likes mathematics.
Subscribe
Combinatorics 🧮
View all
The maximum number of SETs for 12 cards
SET is a card game that is played with a deck of 81 cards.
Feb 10
•
Richard Green
14
Share this post
A Piece of the Pi: mathematics explained
The maximum number of SETs for 12 cards
Copy link
Facebook
Email
Notes
More
Identifying bottlenecks in networks
A large network, such as an infrastructure network or a social network, may contain highly connected regions that are linked to each other by…
Feb 3
•
Richard Green
8
Share this post
A Piece of the Pi: mathematics explained
Identifying bottlenecks in networks
Copy link
Facebook
Email
Notes
More
Constructing space-filling curves
A curve that reaches every point in the unit square is known as a space-filling curve. One of the most famous space-filling curves is the Hilbert curve…
Dec 30, 2024
•
Richard Green
16
Share this post
A Piece of the Pi: mathematics explained
Constructing space-filling curves
Copy link
Facebook
Email
Notes
More
3
Chess and the number e
The number e=2.718281828459045… is one of the most famous irrational numbers.
Dec 16, 2024
•
Richard Green
30
Share this post
A Piece of the Pi: mathematics explained
Chess and the number e
Copy link
Facebook
Email
Notes
More
4
The Parks puzzle
The Parks puzzle is a Sudoku-like game that is played on a square grid containing different coloured regions known as parks. The objective is to place…
Nov 11, 2024
•
Richard Green
6
Share this post
A Piece of the Pi: mathematics explained
The Parks puzzle
Copy link
Facebook
Email
Notes
More
Keep the posts coming!
Subscribe
Share this publication
apieceofthepi.substack.com
A Piece of the Pi: mathematics explained
Copy link
Facebook
Email
Notes
More
Share
Copy link
Facebook
Email
Notes
More
This site requires JavaScript to run correctly. Please
turn on JavaScript
or unblock scripts