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.

2021-01-03

@JDev: lots of the card will still be brown once you're done, but you should see a nice picture. Perhaps one of your answers is wrong, making a mess of the picture?

Matthew
on /blog/87

×1

×1

×1

×1

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025