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.

2015-12-25

@Anonymous1: You are (now) correct and on the leaderboard. Well done!

Matthew
on /blog/23

×3

×3

×3

×3

×3

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026