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Comments in green were written by me. Comments in blue were not written by me.
2018-12-09
Great puzzles. Especially enjoyed #9. Thanks for the entertainment!
John
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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
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A non-converging LaTeX document
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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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Dec 2018
Christmas cross stitch
MENACE in fiction
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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
sorting
royal institution
exponential growth
misleading statistics
dataset
python
flexagons
mathslogicbot
game show probability
data visualisation
games
people maths
platonic solids
draughts
curvature
wool
asteroids
coins
bempp
menace
latex
gaussian elimination
numbers
ucl
inline code
countdown
convergence
plastic ratio
chalkdust magazine
approximation
finite group
the aperiodical
crossnumber
london underground
harriss spiral
reddit
determinants
stickers
craft
stirling numbers
hexapawn
oeis
mean
newcastle
national lottery
final fantasy
pi approximation day
braiding
databet
rhombicuboctahedron
weak imposition
matt parker
computational complexity
squares
talking maths in public
machine learning
binary
anscombe's quartet
gerry anderson
golden ratio
captain scarlet
boundary element methods
ternary
bubble bobble
wave scattering
christmas card
christmas
london
matrix multiplication
estimation
correlation
interpolation
logs
probability
zines
manchester
noughts and crosses
golden spiral
dates
news
matrix of minors
preconditioning
hats
pi
accuracy
guest posts
statistics
nine men's morris
folding paper
live stream
royal baby
matrices
phd
reuleaux polygons
mathsjam
finite element method
world cup
hyperbolic surfaces
javascript
24 hour maths
game of life
map projections
numerical analysis
logic
palindromes
manchester science festival
puzzles
dinosaurs
realhats
big internet math-off
datasaurus dozen
european cup
chess
fence posts
geogebra
chebyshev
graphs
programming
triangles
standard deviation
simultaneous equations
folding tube maps
football
rugby
martin gardner
weather station
crochet
error bars
logo
runge's phenomenon
speed
a gamut of games
edinburgh
geometry
turtles
signorini conditions
trigonometry
fractals
recursion
gather town
video games
propositional calculus
electromagnetic field
pac-man
cambridge
sobolev spaces
tmip
sport
pythagoras
matrix of cofactors
fonts
errors
hannah fry
data
tennis
radio 4
pizza cutting
bodmas
pascal's triangle
inverse matrices
polynomials
raspberry pi
light
frobel
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books
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cross stitch
dragon curves
php
go
arithmetic
youtube
sound
quadrilaterals
advent calendar
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