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.

2023-12-25

My favourite so far of all your advents, a good mix of the trivial and the tricky - day 12 took me far too long until the answer came to me!

Colin Brockley
on /blog/107

×2

×1

×1

×1

×1

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026