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.

2022-02-26

I made a matchbox machine that learns to play 3x3 Nim almost 50 years ago. I still have it. (Based on Martin Gardner's article)

Tony
on /blog/94

×8

×4

×2

×2

×4

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025