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2025-12-24
Thanks again for an advent full of brain teasers. Merry Christmas!
Gert-Jan
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A surprising fact about quadrilaterals
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Log-scaled axes
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PhD thesis, chapter ∞
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PhD thesis, chapter 4
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Inverting a matrix
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PhD thesis, chapter 1
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Visualising MENACE's learning
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A non-converging LaTeX document
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Proving a conjecture
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Runge's Phenomenon
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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?
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Origins of World War I
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Big Ben Strikes Again
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Feb 2017
The importance of estimation error
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Tube map kaleidocycles
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Solving the cross diagonal cover problem
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Braiding, pt. 2
Braiding, pt. 1
Making names in Life
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Euro 2016 stickers
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Proving Pythagoras' theorem
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Electromagnetic Field talk
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World Cup stickers
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Countdown probability, pt. 2
Countdown probability
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New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
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Assorted christmaths
Pointless probability
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"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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Archive
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The partridge puzzle
Aug 2025
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A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
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Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
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2023
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Dec 2023
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Christmas (2023) is coming!
Zines
Sep 2023
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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 ▼
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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 ▼
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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 1+cos(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
go
polynomials
friendly squares
latex
trigonometry
approximation
craft
fence posts
datasaurus dozen
24 hour maths
talking maths in public
warwick
quadrilaterals
matt parker
world cup
pythagoras
dates
matrix of minors
sorting
pac-man
dragon curves
programming
mathsteroids
chess
matrices
guest posts
finite element method
javascript
electromagnetic field
partridge puzzle
people maths
video games
crossnumber
graph theory
martin gardner
anscombe's quartet
machine learning
gaussian elimination
gather town
ternary
game of life
inverse matrices
football
pi
weak imposition
hats
exponential growth
asteroids
statistics
puzzles
pi approximation day
logo
folding tube maps
reuleaux polygons
captain scarlet
raspberry pi
final fantasy
news
fractals
oeis
php
inline code
radio 4
cross stitch
numbers
binary
dataset
geogebra
boundary element methods
matrix of cofactors
light
simultaneous equations
nine men's morris
the aperiodical
nonograms
crochet
rust
thirteen
fonts
propositional calculus
kenilworth
misleading statistics
folding paper
preconditioning
gerry anderson
correlation
golden spiral
london
regular expressions
cambridge
coventry
zines
wave scattering
logic
european cup
convergence
manchester
accuracy
stickers
christmas
sport
kings
runge's phenomenon
speed
games
pizza cutting
stirling numbers
mathslogicbot
royal baby
youtube
plastic ratio
finite group
geometry
signorini conditions
data
menace
crossnumbers
matrix multiplication
phd
hexapawn
determinants
bubble bobble
tmip
noughts and crosses
graphs
logs
hyperbolic surfaces
countdown
christmas card
manchester science festival
rhombicuboctahedron
dinosaurs
hannah fry
errors
edinburgh
arithmetic
numerical analysis
estimation
frobel
standard deviation
national lottery
chebyshev
python
london underground
interpolation
turtles
rugby
a gamut of games
error bars
coins
mean
databet
crosswords
wool
platonic solids
tennis
bots
alphabets
reddit
computational complexity
sound
draughts
big internet math-off
bodmas
sobolev spaces
newcastle
bempp
mathsjam
harriss spiral
triangles
pascal's triangle
braiding
advent calendar
curvature
ucl
golden ratio
weather station
royal institution
game show probability
probability
recursion
live stream
flexagons
map projections
books
data visualisation
chalkdust magazine
realhats
palindromes
squares
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