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.

2023-12-21

9, 16 and 17 seem to give contradictory clues, perhaps 17's clue should have 'or' instead of 'and' ?

Robert Brady
on /blog/107

×1

×1

×1

×1

×1

2023-12-21

@Robert Brady: As day 9 suggests, not all the clues are necessarily true. The final three clues should help clear this up...

Matthew
on /blog/107

×2

×4

×2

×2

×2

Archive

Show me a random blog post

2026

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

Christmas (2025) is over

2025

Dec 2025

Christmas card 2025

Nov 2025

Christmas (2025) is coming!

Sep 2025

The partridge puzzle

Aug 2025

TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

Dec 2024

A regular expression Christmas puzzle
Christmas card 2024

Nov 2024

Christmas (2024) is coming!

Feb 2024

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026