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Comments in green were written by me. Comments in blue were not written by me.
2026-02-08
Yes I did puzzle 9 by working out how many would be coloured in each row or something, and only realised that there was a simpler way when I saw the final formula. Cheers pal
Alex Bolton
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A surprising fact about quadrilaterals
Interesting tautologies
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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
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A non-converging LaTeX document
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Harriss and other spirals
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Mathsteroids
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A bad Puzzle for Today
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Building MENACEs for other games
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A 20,000-to-1 baby?
World Cup stickers 2018
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Origins of World War I
Christmas (2017) is over
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Christmas (2017) is coming!
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Big Ben Strikes Again
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The end of coins of constant width
Dragon curves II
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The importance of estimation error
Jan 2017
Is MEDUSA the new BODMAS?
2016
▼ show ▼
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Dec 2016
Christmas (2016) is over
Video game surfaces
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Nov 2016
Christmas (2016) is coming!
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Logical contradictions
Palindromic dates
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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 ▼
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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
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Nov 2014
Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
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Countdown probability, pt. 2
Countdown probability
Mar 2014
New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
▼ show ▼
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Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
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Tube map Platonic solids, pt. 2
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Tube map Platonic solids
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bluesky
talking maths in public
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pi
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alphabets
fonts
nonograms
numerical analysis
hannah fry
kings
world cup
folding paper
anscombe's quartet
sobolev spaces
matrix of minors
pokémon
games
rugby
triangles
youtube
simultaneous equations
tmip
royal institution
standard deviation
propositional calculus
reuleaux polygons
computational complexity
determinants
sound
fence posts
braiding
frobel
logic
estimation
crosswords
weak imposition
thirteen
pi approximation day
stickers
dinosaurs
tennis
wave scattering
arrangement puzzles
graphs
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matrix of cofactors
data visualisation
harriss spiral
graph theory
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hexapawn
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errors
data
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noughts and crosses
radio 4
logs
pascal's triangle
rhombicuboctahedron
edinburgh
javascript
final fantasy
pizza cutting
bodmas
partridge puzzle
captain scarlet
christmas
fractals
football
advent calendar
royal baby
golden spiral
palindromes
national lottery
boundary element methods
arithmetic
stirling numbers
bubble bobble
dates
go
game show probability
people maths
quadrilaterals
regular expressions
datasaurus dozen
gerry anderson
sport
pac-man
statistics
matt parker
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accuracy
menace
ternary
game of life
manchester
preconditioning
correlation
coins
latex
logo
draughts
map projections
folding tube maps
wordle
chalkdust magazine
24 hour maths
databet
inline code
bempp
friendly squares
craft
sorting
recursion
raspberry pi
machine learning
signorini conditions
the aperiodical
squares
newcastle
rust
mathsjam
curvature
trigonometry
light
countdown
nine men's morris
oeis
programming
reddit
hats
pokémon wordle
numbers
mathsteroids
european cup
a gamut of games
interpolation
zines
crossnumbers
hyperbolic surfaces
platonic solids
plastic ratio
dataset
polynomials
phd
chess
crochet
london
inverse matrices
gather town
runge's phenomenon
chebyshev
weather station
coventry
martin gardner
speed
realhats
crossnumber
warwick
big internet math-off
live stream
cross stitch
wool
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