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Comments in green were written by me. Comments in blue were not written by me.
2022-12-25
Thanks for another brain-burning December - my third year of trying and the second time I finished :)
Colin Brockley
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PhD thesis, chapter ∞
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A bad Puzzle for Today
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New machine unfriendly £1 coin, pt. 2
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2013
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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Tube map Platonic solids
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Feb 2026
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2025
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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
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Nov 2023
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 ▼
▲ 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 -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
javascript
big internet math-off
crochet
edinburgh
stickers
european cup
speed
hyperbolic surfaces
menace
determinants
finite group
misleading statistics
finite element method
databet
error bars
manchester
alphabets
hexapawn
inverse matrices
sport
phd
weather station
crossnumbers
matrix of minors
youtube
kenilworth
data visualisation
graphs
arithmetic
map projections
logs
video games
sound
friendly squares
logo
gather town
martin gardner
dates
quadrilaterals
crosswords
sorting
dragon curves
computational complexity
talking maths in public
accuracy
signorini conditions
london underground
football
runge's phenomenon
convergence
bodmas
exponential growth
game of life
nine men's morris
coins
dinosaurs
palindromes
christmas card
arrangement puzzles
simultaneous equations
pac-man
realhats
london
royal institution
latex
standard deviation
interpolation
newcastle
craft
fractals
tetris
guest posts
programming
draughts
golden ratio
rust
national lottery
games
golden spiral
bluesky
fence posts
final fantasy
weak imposition
data
triangles
nonograms
thirteen
gaussian elimination
asteroids
flexagons
estimation
chalkdust magazine
stirling numbers
platonic solids
matrix of cofactors
mathsjam
wordle
crossnumber
binary
christmas
mean
dataset
frobel
24 hour maths
php
pi approximation day
recursion
live stream
wave scattering
royal baby
trigonometry
folding paper
tmip
puzzles
electromagnetic field
pokémon
mathsteroids
numerical analysis
bubble bobble
noughts and crosses
curvature
cambridge
raspberry pi
machine learning
harriss spiral
reddit
regular expressions
warwick
kings
geogebra
pascal's triangle
radio 4
sobolev spaces
cross stitch
countdown
pokémon wordle
logic
hannah fry
rhombicuboctahedron
tennis
propositional calculus
news
ucl
coventry
chebyshev
hats
boundary element methods
plastic ratio
inline code
pi
matrix multiplication
rugby
mathslogicbot
people maths
pythagoras
game show probability
correlation
probability
graph theory
errors
anscombe's quartet
manchester science festival
fonts
matt parker
datasaurus dozen
the aperiodical
gerry anderson
geometry
captain scarlet
folding tube maps
world cup
squares
partridge puzzle
advent calendar
turtles
pizza cutting
polynomials
books
preconditioning
a gamut of games
ternary
matrices
braiding
chess
approximation
bots
go
bempp
numbers
oeis
light
python
wool
reuleaux polygons
zines
statistics
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