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.

2023-12-27

I think this is at least my 9th year solving the math(s) advent calendar, and as always I enjoyed it a lot! Thanks so much, Matthew!

Jessica Marsh
on /blog/107

×1

2023-12-27

@Jessica Marsh: it's also at most the 9th year as I've only been doing it for 9 years!

Matthew
on /blog/107

Archive

Show me a random blog post

2026

Feb 2026

Christmas (2025) is over

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026