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Comments in green were written by me. Comments in blue were not written by me.
2025-12-21
@Matthew, small typo in todays example, bottom left string should be BBBA I feel.
Bob
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/blog/121
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A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
Feb 2020
PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
PhD thesis, chapter 3
Inverting a matrix
PhD thesis, chapter 2
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
2019
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Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
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A non-converging LaTeX document
TMiP 2019 treasure punt
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Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
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Christmas (2018) is over
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Christmas cross stitch
MENACE in fiction
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Christmas (2018) is coming!
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Runge's Phenomenon
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World Cup stickers 2018, pt. 3
Mathsteroids
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World Cup stickers 2018, pt. 2
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A bad Puzzle for Today
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Building MENACEs for other games
Mar 2018
A 20,000-to-1 baby?
World Cup stickers 2018
Jan 2018
Origins of World War I
Christmas (2017) is over
2017
▼ show ▼
▲ hide ▲
Dec 2017
Christmas card 2017
Nov 2017
Christmas (2017) is coming!
MENACE at Manchester Science Festival
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Big Ben Strikes Again
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The end of coins of constant width
Dragon curves II
Feb 2017
The importance of estimation error
Jan 2017
Is MEDUSA the new BODMAS?
2016
▼ show ▼
▲ hide ▲
Dec 2016
Christmas (2016) is over
Video game surfaces
Christmas card 2016
Nov 2016
Christmas (2016) is coming!
Oct 2016
Logical contradictions
Palindromic dates
Sep 2016
Tube map kaleidocycles
Jul 2016
Solving the cross diagonal cover problem
Jun 2016
Braiding, pt. 2
Braiding, pt. 1
Making names in Life
May 2016
Euro 2016 stickers
Mar 2016
Proving Pythagoras' theorem
Dragon curves
The
Mathematical Games
of Martin Gardner
Jan 2016
Christmas (2015) is over
2015
▼ show ▼
▲ hide ▲
Nov 2015
Christmas (2015) is coming!
Oct 2015
How to kick a conversion
How much will I win on the new National Lottery?
Aug 2015
How OEISbot works
MENACE
Mar 2015
Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
Design your own flexagon
Jan 2015
Tube map Platonic solids, pt. 3
2014
▼ show ▼
▲ hide ▲
Nov 2014
Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
Apr 2014
Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
▲ hide ▲
Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
error bars
javascript
determinants
wool
fence posts
computational complexity
triangles
game show probability
finite group
geometry
pi
menace
mathsjam
interpolation
anscombe's quartet
manchester science festival
kenilworth
hexapawn
wordle
london underground
people maths
folding tube maps
rust
numerical analysis
reddit
games
fonts
estimation
bodmas
flexagons
sport
the aperiodical
stickers
ucl
runge's phenomenon
edinburgh
tennis
thirteen
christmas card
hannah fry
draughts
bubble bobble
inverse matrices
weather station
finite element method
golden spiral
go
frobel
matrices
data visualisation
martin gardner
live stream
european cup
squares
london
newcastle
standard deviation
24 hour maths
platonic solids
graphs
alphabets
exponential growth
ternary
chess
hats
cross stitch
gather town
world cup
quadrilaterals
data
datasaurus dozen
dinosaurs
christmas
arrangement puzzles
hyperbolic surfaces
asteroids
programming
weak imposition
speed
phd
crossnumber
binary
tmip
warwick
boundary element methods
matrix multiplication
plastic ratio
regular expressions
mathsteroids
simultaneous equations
guest posts
football
latex
pythagoras
coventry
matt parker
polynomials
mean
dragon curves
radio 4
captain scarlet
logs
sobolev spaces
zines
nine men's morris
game of life
turtles
advent calendar
pokémon wordle
errors
approximation
bots
signorini conditions
python
crochet
light
folding paper
map projections
matrix of minors
chebyshev
arithmetic
golden ratio
geogebra
realhats
a gamut of games
books
gaussian elimination
trigonometry
electromagnetic field
dataset
news
youtube
pac-man
royal baby
wave scattering
inline code
probability
bempp
rugby
crossnumbers
cambridge
national lottery
pascal's triangle
video games
php
countdown
partridge puzzle
logic
chalkdust magazine
statistics
palindromes
pi approximation day
big internet math-off
bluesky
royal institution
kings
puzzles
sorting
coins
sound
manchester
propositional calculus
gerry anderson
tetris
accuracy
mathslogicbot
machine learning
noughts and crosses
reuleaux polygons
talking maths in public
correlation
recursion
nonograms
dates
final fantasy
friendly squares
fractals
braiding
oeis
misleading statistics
craft
harriss spiral
stirling numbers
numbers
curvature
preconditioning
graph theory
pokémon
pizza cutting
raspberry pi
databet
matrix of cofactors
crosswords
logo
rhombicuboctahedron
convergence
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