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.

2023-12-24

This year's puzzle was a roller coaster unlike last year's. Do not assume anything is true except what can be deduced. Can't wait to see what tomorrow's clue is.

Aaron
on /blog/107

×1

×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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025