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

Jan 2025

Christmas (2024) is over
Friendly squares

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025