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

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025