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.

2019-12-23

@Matthew: There was a mistake: I'd written the rows in the wrong order. I've now corrected it.

Matthew
on /blog/69

2019-12-23

@Matthew: There was a mistake: I'd written the rows in the wrong order. I've now corrected it.

Matthew
on /blog/69

2019-12-23

@Matthew: There was a mistake: I'd written the rows in the wrong order. I've now corrected it.

Matthew
on /blog/69

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026