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.

2017-12-20

What a fun diversion! I have to admit I can't remember how to solve #2 - I finally had to write some code. (So primitive.)

Heather
on /blog/47

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026