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.

2017-11-15

we use BOMAL - Brackets, Overs, Multiplication/Division, Addition/Subtraction, Left to Right. I agree they need to know negative numbers to fully understand and use BODMAS, BIDMAS, BEDMAS, PODMAS, PIDMAS, PEDMAS, BOMAL or MEDUSA

tiny
on /blog/40

×1

×1

×1

×1

×1

Archive

Show me a random blog post

2025

Jan 2025

Christmas (2024) is over
Friendly squares

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2025