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.

2015-12-09

"9 December
You start at A and are allowed to move either to the right or upwards.
How many different routes are there to get from A to B?"

is there supposed to be some picture going with this question?

Mike D
on /blog/23

2015-12-14

@Mike D: There was a picture missing. It has now been corrected.

Matthew
on /blog/23

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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025