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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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/blog/120
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Dec 2020
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Christmas (2020) is coming!
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Happy -2+e+φ 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 ▼
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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
football
partridge puzzle
european cup
matrix multiplication
machine learning
gerry anderson
weak imposition
news
coins
logs
dates
exponential growth
ternary
dragon curves
raspberry pi
polynomials
newcastle
gaussian elimination
bodmas
convergence
pascal's triangle
folding tube maps
books
binary
mean
video games
warwick
national lottery
advent calendar
matrix of cofactors
24 hour maths
chess
christmas
correlation
pi approximation day
sobolev spaces
standard deviation
dataset
palindromes
boundary element methods
rugby
final fantasy
matrices
bubble bobble
signorini conditions
tmip
zines
determinants
logic
regular expressions
platonic solids
javascript
data
recursion
mathsteroids
numbers
kings
chebyshev
fonts
triangles
fence posts
interpolation
nonograms
friendly squares
london
fractals
propositional calculus
datasaurus dozen
talking maths in public
hexapawn
wave scattering
martin gardner
go
world cup
crossnumber
data visualisation
programming
weather station
noughts and crosses
kenilworth
mathsjam
graphs
pi
electromagnetic field
manchester science festival
radio 4
inverse matrices
sound
arithmetic
game show probability
matt parker
error bars
statistics
computational complexity
menace
crosswords
pizza cutting
finite group
the aperiodical
turtles
frobel
captain scarlet
asteroids
geogebra
reddit
puzzles
edinburgh
databet
inline code
pac-man
a gamut of games
quadrilaterals
dinosaurs
games
python
ucl
cambridge
youtube
realhats
cross stitch
crochet
accuracy
errors
guest posts
flexagons
golden ratio
folding paper
craft
royal baby
wool
gather town
manchester
mathslogicbot
hats
trigonometry
game of life
sorting
probability
royal institution
people maths
light
plastic ratio
phd
misleading statistics
speed
golden spiral
reuleaux polygons
simultaneous equations
rhombicuboctahedron
logo
curvature
runge's phenomenon
braiding
nine men's morris
tennis
map projections
stickers
numerical analysis
stirling numbers
sport
thirteen
preconditioning
big internet math-off
geometry
hyperbolic surfaces
bots
php
latex
countdown
rust
live stream
alphabets
harriss spiral
oeis
christmas card
chalkdust magazine
anscombe's quartet
crossnumbers
london underground
bempp
draughts
hannah fry
graph theory
approximation
pythagoras
finite element method
estimation
matrix of minors
squares
coventry
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