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.

2022-12-25

Thanks so much for making this, Matthew! It was a joy to solve, I found myself looking forward to every morning.

Tyler St Clare
on /blog/97

×3

×3

×2

×3

×2

Archive

Show me a random blog post

2025

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025