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.

2020-12-12

@Tara: I initially made the same mistake. Maybe you didn't take into account that 6 is not one of the available digits in question 1?

Sean
on /blog/87

×1

×2

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026