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Comments in green were written by me. Comments in blue were not written by me.
2025-12-25
@
Aisha
: Hm, I used exactly the same method for both of these days. I'm not sure if it lends itself to a nice clean formula, but it might! I'll share my approach after the contest is over!
Seth Cohen
on
/blog/120
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Mixing Wordle with other games
Feb 2026
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2025
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Christmas card 2025
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Christmas (2025) is coming!
Sep 2025
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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Christmas (2023) is coming!
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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!
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24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
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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 -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
graph theory
noughts and crosses
go
national lottery
accuracy
captain scarlet
london underground
palindromes
plastic ratio
boundary element methods
rhombicuboctahedron
braiding
frobel
golden spiral
squares
quadrilaterals
hyperbolic surfaces
rust
recursion
pokémon
tmip
bempp
dates
dragon curves
cambridge
matrix multiplication
pi
pac-man
error bars
speed
tennis
zines
arithmetic
electromagnetic field
game of life
curvature
crochet
statistics
pi approximation day
guest posts
alphabets
finite group
christmas
matrix of cofactors
gerry anderson
regular expressions
manchester science festival
dataset
puzzles
trigonometry
draughts
logic
inline code
probability
correlation
gather town
bodmas
fractals
london
wordle
platonic solids
weak imposition
christmas card
asteroids
datasaurus dozen
games
matrix of minors
advent calendar
geogebra
oeis
standard deviation
bluesky
mathsteroids
menace
ternary
big internet math-off
thirteen
bubble bobble
partridge puzzle
databet
bots
24 hour maths
mathslogicbot
binary
youtube
matrices
light
gaussian elimination
sound
approximation
raspberry pi
data
interpolation
hats
game show probability
sorting
world cup
wave scattering
mathsjam
warwick
inverse matrices
map projections
simultaneous equations
runge's phenomenon
rugby
crossnumber
cross stitch
sport
hannah fry
polynomials
flexagons
royal institution
numbers
chalkdust magazine
pythagoras
logs
edinburgh
fonts
folding paper
preconditioning
chess
countdown
crossnumbers
graphs
folding tube maps
golden ratio
logo
javascript
finite element method
crosswords
kings
computational complexity
convergence
machine learning
radio 4
european cup
harriss spiral
python
manchester
live stream
exponential growth
reuleaux polygons
pascal's triangle
hexapawn
craft
realhats
estimation
weather station
chebyshev
final fantasy
determinants
errors
wool
football
newcastle
arrangement puzzles
phd
books
coventry
geometry
programming
triangles
matt parker
talking maths in public
mean
video games
pokémon wordle
people maths
pizza cutting
sobolev spaces
data visualisation
kenilworth
turtles
php
coins
propositional calculus
news
signorini conditions
numerical analysis
reddit
misleading statistics
nonograms
friendly squares
tetris
ucl
fence posts
dinosaurs
martin gardner
stickers
anscombe's quartet
latex
nine men's morris
royal baby
a gamut of games
stirling numbers
the aperiodical
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