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.

2022-12-26

Another year of great puzzles, Matt! I really appreciate it and look forward to working these every year.

Dan Whitman
on /blog/97

×5

×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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025