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.

2019-12-25

@Seth: If you find them on the map then that's all you need to do. (And if you didn't find them yet then the entry form won't appear so you definably did everything you need to do.)

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026