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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026