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.

2023-12-30

I love doing your puzzles, your advent ones as well as the Chalkdust Crossnumbers - thank you!

Merrilyn
on /blog/107

×9

×8

×8

×8

×8

Archive

Show me a random blog post

2025

Jun 2025

A nonogram alphabet

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025