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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 nonogram alphabet
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Christmas (2024) is over
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A regular expression Christmas puzzle
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Christmas (2020) is coming!
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Happy -6+τφ Approximation Day!
May 2020
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
▼ show ▼
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Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
Sep 2019
A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
Jan 2019
Christmas (2018) is over
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Dec 2018
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
May 2018
A bad Puzzle for Today
Apr 2018
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
Jun 2017
Big Ben Strikes Again
Mar 2017
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
chess
countdown
go
mathsjam
data
ucl
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guest posts
pythagoras
regular expressions
craft
light
dataset
approximation
weather station
geogebra
flexagons
matrices
national lottery
logic
map projections
signorini conditions
draughts
tetris
hats
live stream
final fantasy
sorting
cross stitch
triangles
reuleaux polygons
weak imposition
php
oeis
statistics
kenilworth
datasaurus dozen
fractals
bluesky
video games
correlation
radio 4
warwick
platonic solids
pi
crochet
24 hour maths
mean
zines
pizza cutting
tennis
martin gardner
golden spiral
plastic ratio
raspberry pi
london underground
news
trigonometry
javascript
pac-man
cambridge
frobel
newcastle
computational complexity
kings
bempp
errors
coventry
ternary
european cup
runge's phenomenon
gather town
royal institution
recursion
probability
bodmas
people maths
misleading statistics
asteroids
logs
squares
programming
game show probability
christmas card
games
advent calendar
dates
electromagnetic field
bubble bobble
wordle
hannah fry
game of life
partridge puzzle
hyperbolic surfaces
palindromes
logo
manchester
crossnumbers
noughts and crosses
big internet math-off
propositional calculus
geometry
determinants
matrix of cofactors
manchester science festival
fence posts
chebyshev
thirteen
alphabets
accuracy
fonts
matt parker
folding paper
matrix of minors
rugby
turtles
pokémon wordle
captain scarlet
inverse matrices
rust
nonograms
pokémon
interpolation
world cup
sound
talking maths in public
latex
preconditioning
numerical analysis
inline code
tmip
stirling numbers
exponential growth
pi approximation day
reddit
a gamut of games
arrangement puzzles
gaussian elimination
graphs
friendly squares
mathsteroids
pascal's triangle
curvature
estimation
quadrilaterals
football
stickers
numbers
puzzles
rhombicuboctahedron
youtube
data visualisation
braiding
mathslogicbot
crossnumber
gerry anderson
bots
error bars
arithmetic
edinburgh
convergence
python
golden ratio
machine learning
standard deviation
london
christmas
dragon curves
sport
matrix multiplication
graph theory
dinosaurs
coins
finite element method
databet
chalkdust magazine
anscombe's quartet
sobolev spaces
the aperiodical
hexapawn
harriss spiral
realhats
nine men's morris
crosswords
books
boundary element methods
menace
phd
folding tube maps
polynomials
wave scattering
binary
simultaneous equations
finite group
speed
royal baby
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