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.

2023-12-23

@Seth Cohen: I made it give you some clues as to which are incorrect to make the search easier, which should speed up the checking a lot. You can also refresh a couple of times to get a few clues.

Matthew
on /blog/107

×2

×1

×2

×2

×2

2023-12-24

Whoaaaa just saw the clue for the 24th. This is gonna be fun to unpack! Definitely a step up from previous years!

Thanks @Matthew: and @Allan Taylor: for the tips!

Seth Cohen
on /blog/107

×4

×4

×4

×4

×4

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026