mscroggs.co.uk
mscroggs.co.uk

subscribe

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.
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 

Feb 2026

Christmas (2025) is over
 2025 
▼ show ▼
 2024 
▼ show ▼
 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

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

Archive

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