mscroggs.co.uk
mscroggs.co.uk

subscribe

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.
@Seth Cohen: Thanks Seth, I solved it by looking at the 5×5 picture and thinking harder. Thanks to Matthew for another enjoyable set of puzzles. I look forward to reading the proper solution.
Reza
on /blog/111
               

Archive

Show me a random blog post
 2025 

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares
 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

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

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2012–2025