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.

2021-01-03

@JDev: lots of the card will still be brown once you're done, but you should see a nice picture. Perhaps one of your answers is wrong, making a mess of the picture?

Matthew
on /blog/87

×1

×1

×1

×1

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

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026