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.

2020-12-12

@Tara: I initially made the same mistake. Maybe you didn't take into account that 6 is not one of the available digits in question 1?

Sean
on /blog/87

×1

×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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025