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.

2022-01-08

Thanks for the advert calendar this year.

By the way, in the "Hardest and easiest puzzles" section, 4 out of the 5 links to the puzzles are to the 2020 puzzles instead of the 2021 puzzles

Alex
on /blog/93

×2

×2

×2

2022-01-09

@Alex: Thanks, I've fixed those links

Matthew
on /blog/93

×2

×2

×2

×2

×2

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026