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2023-12-25
Thanks again Matthew. It was great fun.
Gert-Jan
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Happy -12+5e-π+√3 Approximation Day!
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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
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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
Jul 2019
Big Internet Math-Off stickers 2019
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Proving a conjecture
Apr 2019
Harriss and other spirals
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realhats
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Christmas cross stitch
MENACE in fiction
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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
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A 20,000-to-1 baby?
World Cup stickers 2018
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Origins of World War I
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MENACE at Manchester Science Festival
Jun 2017
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
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Logical contradictions
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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
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Euro 2016 stickers
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Proving Pythagoras' theorem
Dragon curves
The
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How to kick a conversion
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How OEISbot works
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Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
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Jan 2015
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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
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Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
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Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
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Archive
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2026
May 2026
World Cup stickers 2026
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 -12+5e-π+√3 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
football
royal baby
mean
braiding
pi
pascal's triangle
estimation
crossnumbers
matrix of cofactors
arithmetic
hyperbolic surfaces
crosswords
data
hannah fry
pac-man
noughts and crosses
turtles
draughts
raspberry pi
chalkdust magazine
numbers
php
a gamut of games
game show probability
rhombicuboctahedron
wordle
christmas card
game of life
determinants
preconditioning
datasaurus dozen
harriss spiral
squares
manchester
gaussian elimination
simultaneous equations
golden ratio
wool
bots
binary
palindromes
sport
guest posts
crossnumber
folding tube maps
probability
people maths
logo
stirling numbers
chebyshev
runge's phenomenon
martin gardner
machine learning
kenilworth
correlation
rust
interpolation
edinburgh
coventry
approximation
platonic solids
stickers
menace
dragon curves
24 hour maths
statistics
pi approximation day
pythagoras
partridge puzzle
tennis
data visualisation
matrix multiplication
dates
folding paper
recursion
hexapawn
anscombe's quartet
thirteen
flexagons
european cup
trigonometry
golden spiral
ucl
map projections
advent calendar
dinosaurs
coins
matrix of minors
video games
london underground
christmas
crochet
quadrilaterals
dataset
nonograms
final fantasy
live stream
mathslogicbot
javascript
exponential growth
kings
countdown
big internet math-off
puzzles
convergence
fence posts
national lottery
accuracy
bodmas
london
finite element method
gather town
polynomials
python
craft
bempp
finite group
logs
go
inverse matrices
graph theory
misleading statistics
world cup
hats
sorting
triangles
ternary
errors
radio 4
curvature
realhats
light
zines
fonts
reuleaux polygons
graphs
cambridge
standard deviation
pokémon
sound
asteroids
computational complexity
tetris
royal institution
nine men's morris
newcastle
wave scattering
boundary element methods
pizza cutting
weak imposition
latex
mathsteroids
mathsjam
youtube
books
logic
talking maths in public
news
captain scarlet
arrangement puzzles
frobel
gerry anderson
phd
games
electromagnetic field
geogebra
inline code
bubble bobble
friendly squares
numerical analysis
manchester science festival
oeis
pokémon wordle
cross stitch
weather station
matt parker
speed
matrices
warwick
alphabets
geometry
plastic ratio
tmip
error bars
regular expressions
bluesky
reddit
chess
programming
propositional calculus
rugby
sobolev spaces
databet
the aperiodical
signorini conditions
fractals
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