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Comments in green were written by me. Comments in blue were not written by me.
2023-02-13
You didn't mention the rate limiting you put in for the bots!
Sorry about that
(anonymous)
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A bad Puzzle for Today
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Archive
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Feb 2026
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Christmas card 2025
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Christmas (2025) is coming!
Sep 2025
The partridge puzzle
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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
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Zines, pt. 2
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Logo Asteroids
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Mathsteroids on hyperbolic surfaces
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The databet
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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
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Dec 2021
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Christmas (2021) is coming!
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Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
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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
finite group
weak imposition
alphabets
noughts and crosses
latex
game show probability
data visualisation
geometry
flexagons
gaussian elimination
bodmas
sorting
frobel
errors
binary
misleading statistics
matrix multiplication
radio 4
javascript
electromagnetic field
final fantasy
harriss spiral
hats
recursion
databet
countdown
football
cambridge
youtube
kings
fence posts
geogebra
signorini conditions
programming
ternary
pi
matrix of minors
data
newcastle
sound
palindromes
a gamut of games
graph theory
bempp
crosswords
oeis
christmas card
accuracy
matrices
interpolation
pascal's triangle
logo
trigonometry
friendly squares
hexapawn
logs
wave scattering
map projections
big internet math-off
statistics
pac-man
runge's phenomenon
logic
propositional calculus
triangles
dates
determinants
dataset
captain scarlet
coins
warwick
quadrilaterals
guest posts
craft
talking maths in public
python
arithmetic
asteroids
game of life
realhats
royal baby
chalkdust magazine
thirteen
mean
braiding
platonic solids
menace
golden spiral
rugby
boundary element methods
pokémon wordle
tmip
finite element method
fonts
reddit
mathsjam
pi approximation day
preconditioning
royal institution
curvature
raspberry pi
regular expressions
zines
coventry
live stream
php
sobolev spaces
edinburgh
draughts
mathslogicbot
weather station
the aperiodical
hannah fry
probability
news
folding paper
plastic ratio
matrix of cofactors
sport
dragon curves
manchester science festival
stirling numbers
exponential growth
numbers
dinosaurs
arrangement puzzles
squares
chess
european cup
hyperbolic surfaces
convergence
reuleaux polygons
video games
games
standard deviation
rust
rhombicuboctahedron
books
stickers
24 hour maths
pythagoras
wool
folding tube maps
computational complexity
tetris
national lottery
mathsteroids
phd
error bars
datasaurus dozen
world cup
simultaneous equations
bots
speed
pizza cutting
puzzles
manchester
turtles
chebyshev
crossnumber
gather town
crochet
christmas
nine men's morris
graphs
pokémon
go
advent calendar
cross stitch
machine learning
martin gardner
crossnumbers
london underground
inline code
bubble bobble
kenilworth
bluesky
inverse matrices
people maths
nonograms
matt parker
light
correlation
approximation
estimation
london
gerry anderson
fractals
partridge puzzle
numerical analysis
tennis
polynomials
wordle
anscombe's quartet
ucl
golden ratio
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