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.

2021-01-04

There seems to be a missing diagram for the answer to the Dec 2 puzzle.

Kai
on /blog/88

×3

×3

×3

×3

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025