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.

2023-12-25

Wonderful fun as always. Some fiendish ones this year!

Joe Gage
on /blog/107

×4

×1

×1

×1

×1

Archive

Show me a random blog post

2025

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025