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Comments in green were written by me. Comments in blue were not written by me.
2024-12-13
@
Seth Cohen
: In response to my earlier comment, I solved it assuming it's correct as written, so I guess it's correct as written!
Seth Cohen
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Archive
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2026
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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
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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!
Oct 2022
24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
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▼ show ▼
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Dec 2021
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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 -3+π√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
arrangement puzzles
news
newcastle
preconditioning
youtube
wave scattering
approximation
mathsteroids
arithmetic
bots
guest posts
numerical analysis
radio 4
go
noughts and crosses
coins
london
dragon curves
speed
data visualisation
matt parker
christmas card
rugby
pac-man
inverse matrices
hats
manchester science festival
a gamut of games
video games
binary
kenilworth
draughts
oeis
flexagons
martin gardner
polynomials
gaussian elimination
geogebra
mathsjam
realhats
sorting
advent calendar
sport
game show probability
mathslogicbot
matrices
reddit
fonts
tmip
raspberry pi
gather town
partridge puzzle
pythagoras
fence posts
ternary
crosswords
platonic solids
craft
tetris
frobel
pokémon wordle
game of life
triangles
european cup
gerry anderson
puzzles
sound
rust
trigonometry
fractals
hyperbolic surfaces
logo
determinants
golden ratio
regular expressions
crossnumbers
pokémon
alphabets
nine men's morris
cross stitch
asteroids
edinburgh
finite element method
hannah fry
crochet
inline code
matrix of minors
harriss spiral
signorini conditions
plastic ratio
dinosaurs
exponential growth
bluesky
folding tube maps
quadrilaterals
probability
tennis
people maths
javascript
final fantasy
logic
rhombicuboctahedron
accuracy
talking maths in public
football
captain scarlet
big internet math-off
turtles
curvature
mean
the aperiodical
bempp
misleading statistics
pi approximation day
correlation
ucl
royal institution
electromagnetic field
hexapawn
machine learning
map projections
reuleaux polygons
error bars
folding paper
books
stickers
stirling numbers
matrix multiplication
thirteen
numbers
runge's phenomenon
sobolev spaces
dataset
weather station
live stream
bodmas
dates
friendly squares
finite group
royal baby
bubble bobble
squares
simultaneous equations
programming
latex
statistics
london underground
pizza cutting
crossnumber
logs
24 hour maths
national lottery
boundary element methods
recursion
pascal's triangle
wool
graphs
weak imposition
coventry
zines
graph theory
data
nonograms
chalkdust magazine
php
databet
datasaurus dozen
light
menace
wordle
kings
anscombe's quartet
chebyshev
pi
python
interpolation
chess
world cup
games
warwick
manchester
convergence
christmas
phd
standard deviation
countdown
golden spiral
computational complexity
errors
geometry
braiding
palindromes
matrix of cofactors
propositional calculus
cambridge
estimation
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