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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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A nonogram alphabet
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How to write a crossnumber
Jan 2025
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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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
Feb 2022
Build your own MENACE
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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 ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -15+3τ-φ-√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
nine men's morris
wordle
sobolev spaces
golden ratio
bempp
quadrilaterals
cambridge
convergence
gaussian elimination
pascal's triangle
plastic ratio
books
runge's phenomenon
coins
pokémon wordle
big internet math-off
error bars
24 hour maths
braiding
crosswords
crochet
bubble bobble
edinburgh
advent calendar
squares
hexapawn
gerry anderson
javascript
newcastle
hyperbolic surfaces
programming
geometry
inline code
golden spiral
graphs
misleading statistics
data visualisation
reddit
interpolation
estimation
latex
python
frobel
datasaurus dozen
turtles
sound
numbers
countdown
bots
dragon curves
logs
manchester science festival
martin gardner
arithmetic
tetris
captain scarlet
fence posts
the aperiodical
sorting
rhombicuboctahedron
platonic solids
machine learning
recursion
crossnumber
finite group
cross stitch
geogebra
coventry
royal baby
go
tennis
live stream
probability
correlation
matt parker
game of life
thirteen
draughts
nonograms
wool
binary
matrices
guest posts
london underground
speed
approximation
standard deviation
polynomials
folding paper
numerical analysis
graph theory
chalkdust magazine
stirling numbers
light
curvature
databet
london
dinosaurs
weak imposition
asteroids
gather town
matrix multiplication
accuracy
logo
video games
royal institution
rust
computational complexity
bodmas
pi approximation day
logic
regular expressions
harriss spiral
news
php
arrangement puzzles
preconditioning
pythagoras
raspberry pi
crossnumbers
radio 4
boundary element methods
stickers
statistics
determinants
electromagnetic field
final fantasy
data
realhats
chess
inverse matrices
talking maths in public
mathsteroids
hats
flexagons
kings
triangles
christmas
rugby
ucl
warwick
a gamut of games
matrix of cofactors
national lottery
hannah fry
palindromes
pi
propositional calculus
mathslogicbot
noughts and crosses
people maths
partridge puzzle
ternary
signorini conditions
european cup
pokémon
world cup
fonts
map projections
kenilworth
youtube
folding tube maps
fractals
chebyshev
reuleaux polygons
mathsjam
game show probability
manchester
friendly squares
simultaneous equations
anscombe's quartet
wave scattering
weather station
zines
games
puzzles
craft
matrix of minors
dates
mean
bluesky
pac-man
tmip
oeis
sport
football
dataset
exponential growth
menace
finite element method
phd
pizza cutting
errors
christmas card
alphabets
trigonometry
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