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Comments in green were written by me. Comments in blue were not written by me.
2019-12-31
Thank you, I was worried. Thanks also for the puzzles, makes a change from my usual sudokus. I especially liked 3, 9, 11, 16, 21 and 23.
(anonymous)
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/blog/69
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Log-scaled axes
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PhD thesis, chapter ∞
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PhD thesis, chapter 1
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Proving a conjecture
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Harriss and other spirals
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A bad Puzzle for Today
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A 20,000-to-1 baby?
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Big Ben Strikes Again
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The importance of estimation error
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Braiding, pt. 2
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Optimal Pac-Man
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Electromagnetic Field talk
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Tennis maths
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New machine unfriendly £1 coin, pt. 2
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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Tube map Platonic solids, pt. 2
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Tube map Platonic solids
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Archive
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2026
May 2026
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Apr 2026
A new puzzle every day
Mixing Wordle with other games
Feb 2026
Christmas (2025) is over
2025
Dec 2025
Christmas card 2025
Nov 2025
Christmas (2025) is coming!
Sep 2025
The partridge puzzle
Aug 2025
TMiP 2025 puzzle hunt
Jun 2025
A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
▼ show ▼
▲ hide ▲
Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
May 2023
Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
▲ hide ▲
Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
Oct 2022
24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
▼ show ▼
▲ hide ▲
Dec 2021
Christmas card 2021
Nov 2021
Christmas (2021) is coming!
Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
▲ hide ▲
Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
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 ▼
▲ hide ▲
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
2018
▼ show ▼
▲ hide ▲
Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
Nov 2018
Christmas (2018) is coming!
Sep 2018
Runge's Phenomenon
Jul 2018
World Cup stickers 2018, pt. 3
Mathsteroids
Jun 2018
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
matrices
squares
the aperiodical
rugby
royal baby
dragon curves
game of life
rhombicuboctahedron
tetris
programming
sport
estimation
london underground
inverse matrices
approximation
finite element method
bubble bobble
raspberry pi
advent calendar
people maths
exponential growth
regular expressions
arithmetic
pac-man
final fantasy
braiding
mathsjam
news
stickers
crossnumbers
nonograms
bodmas
finite group
folding paper
runge's phenomenon
mean
cross stitch
machine learning
fence posts
misleading statistics
fractals
puzzles
reuleaux polygons
pythagoras
tmip
propositional calculus
pizza cutting
hats
turtles
gerry anderson
signorini conditions
pi approximation day
plastic ratio
friendly squares
game show probability
folding tube maps
newcastle
data visualisation
menace
radio 4
gather town
interpolation
chess
thirteen
fonts
christmas
guest posts
oeis
london
ternary
anscombe's quartet
reddit
gaussian elimination
python
crossnumber
frobel
sobolev spaces
palindromes
hexapawn
wool
electromagnetic field
pokémon
national lottery
stirling numbers
pokémon wordle
chebyshev
captain scarlet
preconditioning
light
php
logo
computational complexity
speed
mathslogicbot
crochet
numerical analysis
boundary element methods
youtube
accuracy
kings
correlation
inline code
manchester science festival
chalkdust magazine
latex
standard deviation
data
graph theory
books
simultaneous equations
matrix of cofactors
martin gardner
logic
wordle
coins
javascript
hyperbolic surfaces
talking maths in public
numbers
football
convergence
hannah fry
curvature
pascal's triangle
platonic solids
binary
partridge puzzle
craft
tennis
matrix of minors
graphs
world cup
sorting
dates
arrangement puzzles
draughts
statistics
datasaurus dozen
weather station
recursion
zines
flexagons
geogebra
sound
royal institution
manchester
probability
warwick
christmas card
european cup
bempp
phd
trigonometry
matt parker
realhats
24 hour maths
kenilworth
harriss spiral
golden spiral
geometry
a gamut of games
logs
matrix multiplication
bots
ucl
edinburgh
rust
quadrilaterals
games
coventry
bluesky
alphabets
nine men's morris
big internet math-off
databet
dataset
polynomials
countdown
errors
dinosaurs
crosswords
map projections
mathsteroids
determinants
error bars
wave scattering
noughts and crosses
cambridge
asteroids
weak imposition
go
golden ratio
triangles
live stream
pi
video games
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