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.

2017-06-03

Wow! This has made my weekend.

Tony Mann
on /blog/44

×3

×3

×3

×3

×3

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026