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.

2025-12-17

Many thanks for your puzzle again this year - I suspect I have run into a similar contradiction to Bob. It may be an interpretation issue. When you say that the answer is not a factor, do you mean any factor or one particular factor?

Larry
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

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026