mscroggs.co.uk

mscroggs.co.uk

blog puzzles academic talks contact subscribe ↓ ☰ ↓

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.

2017-12-20

What a fun diversion! I have to admit I can't remember how to solve #2 - I finally had to write some code. (So primitive.)

Heather
on /blog/47

Archive

Show me a random blog post

2026

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

Christmas (2025) is over

2025

Dec 2025

Christmas card 2025

Nov 2025

Christmas (2025) is coming!

Sep 2025

The partridge puzzle

Aug 2025

TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

Dec 2024

A regular expression Christmas puzzle
Christmas card 2024

Nov 2024

Christmas (2024) is coming!

Feb 2024

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

martin gardner edinburgh fonts royal institution runge's phenomenon nine men's morris platonic solids books php sound bluesky logo warwick finite group geometry cambridge graph theory boundary element methods convergence ternary manchester people maths football alphabets partridge puzzle quadrilaterals rhombicuboctahedron electromagnetic field newcastle weak imposition speed national lottery hexapawn arithmetic game of life 24 hour maths big internet math-off royal baby bodmas matrices estimation frobel golden spiral rugby london underground exponential growth mean the aperiodical cross stitch reddit coins tetris flexagons noughts and crosses inverse matrices light matrix of minors fractals news zines manchester science festival dates accuracy computational complexity final fantasy countdown puzzles datasaurus dozen stirling numbers map projections dinosaurs tmip crossnumber draughts oeis hannah fry dragon curves geogebra finite element method databet go mathsteroids chess palindromes european cup bots christmas pythagoras determinants a gamut of games games sobolev spaces asteroids world cup pac-man pizza cutting trigonometry numerical analysis misleading statistics guest posts bubble bobble squares pascal's triangle kings live stream bempp christmas card errors inline code python friendly squares phd signorini conditions pokémon wordle harriss spiral talking maths in public triangles error bars mathslogicbot hats pi crossnumbers realhats crochet sport weather station menace braiding craft recursion game show probability data preconditioning reuleaux polygons pi approximation day matrix multiplication gather town graphs correlation captain scarlet interpolation coventry wave scattering statistics pokémon wool arrangement puzzles data visualisation ucl folding tube maps kenilworth dataset hyperbolic surfaces logic approximation numbers radio 4 crosswords logs binary javascript gaussian elimination programming golden ratio nonograms sorting probability curvature turtles standard deviation simultaneous equations machine learning fence posts stickers chebyshev polynomials london propositional calculus advent calendar thirteen plastic ratio regular expressions mathsjam anscombe's quartet wordle video games chalkdust magazine youtube folding paper matrix of cofactors tennis gerry anderson matt parker latex rust raspberry pi

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026