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.

2019-01-04

@Jose: There is a mistake in your answer: 243 (0100000) is the number of numbers between 10,000 and 100,000 that do not contain the digits 0, 1, 2, 3, 4, 5, or 6.

Matthew
on /blog/47

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2024