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.

2023-12-21

@Robert Brady: As day 9 suggests, not all the clues are necessarily true. The final three clues should help clear this up...

Matthew
on /blog/107

×2

×4

×2

×2

×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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025