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.

2018-12-24

Do we have to submit the answer on Christmas Day?

Steve
on /blog/58

2018-12-24

@Steve: Yes, the final door contains the entry form

Matthew
on /blog/58

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026