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Comments in green were written by me. Comments in blue were not written by me.
2025-12-24
@
Chad
: What was your wrong answer for #15? I had that one wrong too at first, and it took a kind of sneaky "Oh of course!" insight for me to figure it out.
Seth Cohen
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A nonogram alphabet
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Christmas (2024) is over
Friendly squares
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A regular expression Christmas puzzle
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Logo Asteroids
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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
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Christmas (2022) is coming!
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24 Hour Maths Game Show
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Approximating π
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Build your own MENACE
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Christmas (2021) is over
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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
▼ show ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -62+e+gτ-√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
stirling numbers
graph theory
weather station
chalkdust magazine
oeis
the aperiodical
gather town
zines
martin gardner
dragon curves
pi
numbers
data visualisation
stickers
bluesky
interpolation
partridge puzzle
map projections
wordle
sorting
wave scattering
pizza cutting
determinants
databet
puzzles
warwick
phd
captain scarlet
24 hour maths
misleading statistics
pythagoras
folding paper
advent calendar
final fantasy
matrix of minors
folding tube maps
logs
curvature
binary
matrices
runge's phenomenon
bempp
programming
london
javascript
ucl
machine learning
world cup
palindromes
accuracy
computational complexity
golden ratio
quadrilaterals
trigonometry
newcastle
pac-man
people maths
edinburgh
pokémon wordle
kenilworth
bodmas
manchester science festival
realhats
propositional calculus
dinosaurs
probability
mean
coventry
logic
approximation
geogebra
live stream
regular expressions
mathsjam
guest posts
crosswords
inverse matrices
tetris
php
noughts and crosses
sport
graphs
chess
matrix multiplication
bubble bobble
thirteen
electromagnetic field
rhombicuboctahedron
reddit
cross stitch
game show probability
video games
numerical analysis
golden spiral
chebyshev
flexagons
hyperbolic surfaces
correlation
coins
game of life
wool
mathsteroids
bots
data
books
simultaneous equations
hats
dataset
cambridge
sobolev spaces
plastic ratio
hexapawn
youtube
frobel
error bars
nine men's morris
estimation
football
polynomials
geometry
pi approximation day
datasaurus dozen
christmas card
braiding
asteroids
platonic solids
kings
sound
a gamut of games
light
latex
nonograms
dates
arrangement puzzles
big internet math-off
national lottery
logo
recursion
go
news
inline code
christmas
mathslogicbot
reuleaux polygons
pascal's triangle
tmip
signorini conditions
harriss spiral
crossnumber
royal institution
royal baby
fence posts
weak imposition
standard deviation
matrix of cofactors
countdown
london underground
finite element method
exponential growth
draughts
crochet
radio 4
craft
statistics
fonts
gerry anderson
preconditioning
gaussian elimination
triangles
manchester
finite group
raspberry pi
anscombe's quartet
crossnumbers
matt parker
turtles
rust
european cup
ternary
convergence
friendly squares
boundary element methods
talking maths in public
alphabets
arithmetic
speed
errors
games
squares
rugby
python
fractals
tennis
menace
hannah fry
pokémon
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