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.

2023-12-26

I agree, this year was a step up in difficulty, which I quite enjoyed! My favorites this year: 2, 12, 16, 21, 22, 23.

Thanks for another great advent calendar, Matthew!

Ryan
on /blog/107

×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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026