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.

2017-12-27

@neal (@zbvif): Thanks, I've added a clarification to 22

Matthew
on /blog/46

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025