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.

2018-12-17

@Carmel: It's not meant to check your answers. It only shows up red if the number you enter cannot be split into valid pairs (eg the number has an odd number of digits or one of the pairs of digits is greater than 20).

Matthew
on /blog/59

Archive

Show me a random blog post

2024

Feb 2024

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2024