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.

2022-07-31

Interesting.
Could try a same kind of thing using playing card deck(s)? A(=1)-2-3 4-5-6 7-8-9 maybe 3 decks with different colours on their backs.

Willem
on /blog/94

×3

×3

×3

×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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025