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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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Assorted christmaths
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"Uncanny" royal coincidence
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Archive
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Feb 2026
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Christmas card 2025
Nov 2025
Christmas (2025) is coming!
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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
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Dec 2023
Christmas card 2023
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Christmas (2023) is coming!
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Chalkdust issue 17
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Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
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Christmas (2022) is over
2022
▼ show ▼
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Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
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24 Hour Maths Game Show
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Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
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Dec 2021
Christmas card 2021
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Christmas (2021) is coming!
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TMiP 2021 puzzle hunt
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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 -4+τ 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
accuracy
light
binary
fence posts
video games
radio 4
crochet
flexagons
data visualisation
anscombe's quartet
edinburgh
warwick
matrices
stirling numbers
probability
palindromes
ucl
bodmas
guest posts
friendly squares
asteroids
christmas
draughts
matrix of cofactors
fonts
computational complexity
dataset
christmas card
the aperiodical
cross stitch
boundary element methods
exponential growth
youtube
people maths
matt parker
matrix multiplication
recursion
arrangement puzzles
error bars
manchester science festival
plastic ratio
dragon curves
approximation
electromagnetic field
go
live stream
pokémon
gerry anderson
standard deviation
map projections
javascript
reuleaux polygons
numbers
sport
machine learning
game of life
reddit
chalkdust magazine
hyperbolic surfaces
quadrilaterals
inline code
gaussian elimination
rust
wool
python
pac-man
finite group
speed
24 hour maths
sorting
games
football
dinosaurs
cambridge
pascal's triangle
platonic solids
graph theory
logo
logs
big internet math-off
crossnumber
final fantasy
noughts and crosses
craft
coventry
squares
hannah fry
rhombicuboctahedron
tmip
captain scarlet
mathsteroids
crosswords
golden ratio
geogebra
weather station
gather town
statistics
partridge puzzle
stickers
puzzles
polynomials
pi
triangles
misleading statistics
signorini conditions
european cup
arithmetic
rugby
nonograms
phd
tetris
matrix of minors
world cup
correlation
nine men's morris
kenilworth
data
royal baby
latex
wordle
finite element method
trigonometry
pokémon wordle
simultaneous equations
books
curvature
databet
ternary
errors
folding paper
a gamut of games
game show probability
bubble bobble
bots
weak imposition
fractals
countdown
zines
mathslogicbot
chebyshev
tennis
propositional calculus
inverse matrices
regular expressions
mean
realhats
hexapawn
programming
oeis
news
newcastle
sound
coins
sobolev spaces
golden spiral
chess
numerical analysis
london
logic
convergence
datasaurus dozen
geometry
graphs
manchester
kings
pi approximation day
turtles
determinants
wave scattering
pythagoras
preconditioning
raspberry pi
menace
estimation
braiding
royal institution
crossnumbers
london underground
runge's phenomenon
alphabets
advent calendar
talking maths in public
frobel
dates
php
harriss spiral
folding tube maps
bluesky
mathsjam
national lottery
martin gardner
pizza cutting
interpolation
hats
bempp
thirteen
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