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Comments in green were written by me. Comments in blue were not written by me.
2024-12-27
@
Seth Cohen
: Thanks Seth, I solved it by looking at the 5×5 picture and thinking harder. Thanks to Matthew for another enjoyable set of puzzles. I look forward to reading the proper solution.
Reza
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PhD thesis, chapter ∞
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Happy -21+4e+g√2 Approximation Day!
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A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
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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
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Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
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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
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Christmas (2018) is over
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Christmas cross stitch
MENACE in fiction
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Christmas (2018) is coming!
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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 ▼
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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
bots
hyperbolic surfaces
latex
error bars
graphs
reuleaux polygons
puzzles
craft
gather town
stirling numbers
gaussian elimination
trigonometry
mean
convergence
nine men's morris
cambridge
wool
youtube
plastic ratio
rugby
runge's phenomenon
ucl
tmip
matrix multiplication
databet
national lottery
stickers
computational complexity
pizza cutting
cross stitch
24 hour maths
electromagnetic field
light
kings
datasaurus dozen
data visualisation
countdown
numbers
bubble bobble
hannah fry
logs
reddit
rhombicuboctahedron
numerical analysis
martin gardner
live stream
geogebra
misleading statistics
matt parker
chalkdust magazine
chebyshev
asteroids
guest posts
sorting
the aperiodical
regular expressions
a gamut of games
inline code
dates
friendly squares
accuracy
map projections
video games
coins
bodmas
raspberry pi
pac-man
european cup
approximation
estimation
football
statistics
speed
data
radio 4
fence posts
curvature
quadrilaterals
logic
crossnumber
inverse matrices
matrix of cofactors
pi approximation day
manchester
people maths
crochet
squares
talking maths in public
boundary element methods
captain scarlet
mathslogicbot
tennis
signorini conditions
anscombe's quartet
ternary
javascript
news
sound
golden spiral
christmas
fractals
turtles
pascal's triangle
graph theory
christmas card
royal baby
simultaneous equations
palindromes
binary
propositional calculus
python
games
crossnumbers
php
world cup
final fantasy
flexagons
zines
game show probability
manchester science festival
probability
platonic solids
logo
pi
oeis
weak imposition
phd
geometry
newcastle
preconditioning
matrices
fonts
noughts and crosses
machine learning
dataset
menace
golden ratio
realhats
dinosaurs
london
triangles
determinants
folding tube maps
braiding
exponential growth
game of life
mathsjam
royal institution
harriss spiral
pythagoras
edinburgh
draughts
go
errors
london underground
weather station
frobel
sport
sobolev spaces
folding paper
big internet math-off
interpolation
hats
crosswords
recursion
finite group
chess
polynomials
programming
bempp
books
standard deviation
matrix of minors
hexapawn
dragon curves
arithmetic
gerry anderson
correlation
advent calendar
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