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.

2023-12-24

This year's puzzle was a roller coaster unlike last year's. Do not assume anything is true except what can be deduced. Can't wait to see what tomorrow's clue is.

Aaron
on /blog/107

×1

×1

×1

×1

×1

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025