mscroggs.co.uk
mscroggs.co.uk

subscribe

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.
@Chad: What was your wrong answer for #15? I had that one wrong too at first, and it took a kind of sneaky "Oh of course!" insight for me to figure it out.
Seth Cohen
on /blog/120
               

Archive

Show me a random blog post
 2026 

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

Christmas (2025) is over
 2025 

Dec 2025

Christmas card 2025

Nov 2025

Christmas (2025) is coming!

Sep 2025

The partridge puzzle

Aug 2025

TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares
 2024 

Dec 2024

A regular expression Christmas puzzle
Christmas card 2024

Nov 2024

Christmas (2024) is coming!

Feb 2024

Zines, pt. 2

Jan 2024

Christmas (2023) is over
 2023 
▼ show ▼
 2022 
▼ show ▼
 2021 
▼ show ▼
 2020 
▼ show ▼
 2019 
▼ show ▼
 2018 
▼ show ▼
 2017 
▼ show ▼
 2016 
▼ show ▼
 2015 
▼ show ▼
 2014 
▼ show ▼
 2013 
▼ show ▼
 2012 
▼ show ▼

Tags

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

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2012–2026