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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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PhD thesis, chapter ∞
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Electromagnetic Field talk
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Assorted christmaths
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"Uncanny" royal coincidence
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Archive
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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!
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Zines, pt. 2
Jan 2024
Christmas (2023) is over
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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
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The databet
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Christmas (2022) is over
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▼ 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
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Dec 2021
Christmas card 2021
Nov 2021
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 -10+e√2+5√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
bots
trigonometry
matrix multiplication
regular expressions
chalkdust magazine
speed
mathsteroids
a gamut of games
binary
london underground
ucl
weather station
misleading statistics
folding tube maps
thirteen
crossnumbers
numbers
national lottery
curvature
sport
asteroids
pizza cutting
folding paper
sound
bempp
crossnumber
mathsjam
draughts
people maths
finite group
dates
rugby
youtube
arithmetic
wool
matrix of cofactors
chess
approximation
fonts
probability
raspberry pi
advent calendar
fractals
final fantasy
live stream
chebyshev
nine men's morris
christmas card
javascript
data visualisation
quadrilaterals
sobolev spaces
matrix of minors
stirling numbers
finite element method
crochet
arrangement puzzles
talking maths in public
golden ratio
reuleaux polygons
interpolation
recursion
golden spiral
pokémon
guest posts
london
crosswords
rust
bodmas
manchester
map projections
pythagoras
hannah fry
news
video games
wordle
tennis
hexapawn
games
dinosaurs
python
frobel
errors
dragon curves
manchester science festival
pac-man
estimation
fence posts
phd
boundary element methods
bluesky
ternary
harriss spiral
runge's phenomenon
light
propositional calculus
turtles
gather town
signorini conditions
matrices
the aperiodical
platonic solids
edinburgh
menace
simultaneous equations
game of life
logs
standard deviation
tmip
machine learning
programming
determinants
realhats
geogebra
wave scattering
exponential growth
polynomials
cambridge
rhombicuboctahedron
partridge puzzle
gerry anderson
nonograms
triangles
convergence
pi
stickers
zines
dataset
big internet math-off
tetris
european cup
numerical analysis
captain scarlet
cross stitch
weak imposition
football
gaussian elimination
graphs
newcastle
electromagnetic field
kings
error bars
correlation
kenilworth
matt parker
braiding
palindromes
oeis
pi approximation day
sorting
craft
martin gardner
friendly squares
christmas
hats
data
world cup
warwick
accuracy
geometry
logic
squares
graph theory
mathslogicbot
royal institution
countdown
flexagons
latex
datasaurus dozen
alphabets
databet
game show probability
royal baby
bubble bobble
noughts and crosses
pokémon wordle
preconditioning
24 hour maths
reddit
go
radio 4
coventry
plastic ratio
anscombe's quartet
hyperbolic surfaces
php
pascal's triangle
coins
puzzles
computational complexity
inverse matrices
inline code
logo
books
statistics
mean
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