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.

2022-12-25

My dad and I did several of these puzzles together. I am 8 years old, and I figured many of them out. Thank you!

Xena
on /blog/97

×6

×4

×2

×2

×3

Archive

Show me a random blog post

2026

Feb 2026

Christmas (2025) is over

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026