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.

2018-12-24

Do we have to submit the answer on Christmas Day?

Steve
on /blog/58

2018-12-24

@Steve: Yes, the final door contains the entry form

Matthew
on /blog/58

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025