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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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Happy -5+e-√2+3√3 Approximation Day!
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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 ▼
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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
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Christmas (2018) is over
2018
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Dec 2018
Christmas cross stitch
MENACE in fiction
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Nov 2018
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
latex
graph theory
signorini conditions
curvature
edinburgh
nine men's morris
mean
crochet
arithmetic
countdown
talking maths in public
fence posts
boundary element methods
bots
chalkdust magazine
numerical analysis
squares
programming
regular expressions
final fantasy
bempp
mathsjam
pi
the aperiodical
polynomials
captain scarlet
advent calendar
tennis
frobel
graphs
propositional calculus
approximation
mathslogicbot
live stream
game of life
london underground
christmas card
anscombe's quartet
data
exponential growth
crossnumber
puzzles
national lottery
javascript
big internet math-off
cross stitch
dataset
numbers
a gamut of games
error bars
youtube
triangles
plastic ratio
flexagons
runge's phenomenon
hexapawn
braiding
wave scattering
accuracy
ucl
finite element method
php
reuleaux polygons
matrix multiplication
coins
pizza cutting
matrices
craft
logs
christmas
matrix of minors
chebyshev
asteroids
gather town
data visualisation
games
go
weak imposition
estimation
recursion
electromagnetic field
errors
palindromes
london
probability
friendly squares
raspberry pi
newcastle
weather station
binary
sport
reddit
geogebra
manchester
simultaneous equations
turtles
speed
hannah fry
wool
radio 4
bodmas
bubble bobble
standard deviation
matrix of cofactors
logic
hats
noughts and crosses
crossnumbers
pythagoras
people maths
pac-man
folding tube maps
sorting
mathsteroids
sobolev spaces
inverse matrices
golden ratio
royal baby
stirling numbers
game show probability
machine learning
24 hour maths
ternary
matt parker
tmip
video games
realhats
harriss spiral
european cup
fractals
light
rhombicuboctahedron
finite group
news
datasaurus dozen
cambridge
pascal's triangle
statistics
books
dates
hyperbolic surfaces
sound
world cup
platonic solids
draughts
map projections
quadrilaterals
nonograms
pi approximation day
alphabets
martin gardner
folding paper
trigonometry
interpolation
convergence
phd
kings
zines
crosswords
gaussian elimination
menace
python
databet
manchester science festival
rugby
computational complexity
golden spiral
royal institution
determinants
oeis
football
correlation
preconditioning
chess
misleading statistics
fonts
dragon curves
inline code
gerry anderson
dinosaurs
logo
stickers
guest posts
geometry
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