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.

2021-12-02

Thanks Matthew. Really nice to have this daily dose of brain teasing again

Gert-Jan
on /blog/91

×7

×5

×4

×4

×2

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025