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Comments in green were written by me. Comments in blue were not written by me.
2023-12-27
Really enjoyed this years puzzles, Matt! 12 and 14 were favorites as well as the logic "meta-puzzle".
Don
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Happy 10+cos(τ) Approximation Day!
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A surprising fact about quadrilaterals
Interesting tautologies
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Log-scaled axes
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PhD thesis, chapter ∞
PhD thesis, chapter 5
PhD thesis, chapter 4
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Inverting a matrix
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PhD thesis, chapter 1
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Visualising MENACE's learning
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A non-converging LaTeX document
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Big Internet Math-Off stickers 2019
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Proving a conjecture
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Harriss and other spirals
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realhats
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Christmas cross stitch
MENACE in fiction
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Runge's Phenomenon
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World Cup stickers 2018, pt. 3
Mathsteroids
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World Cup stickers 2018, pt. 2
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A bad Puzzle for Today
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Building MENACEs for other games
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A 20,000-to-1 baby?
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Origins of World War I
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MENACE at Manchester Science Festival
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Big Ben Strikes Again
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Feb 2017
The importance of estimation error
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Is MEDUSA the new BODMAS?
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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
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Euro 2016 stickers
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Proving Pythagoras' theorem
Dragon curves
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How to kick a conversion
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Aug 2015
How OEISbot works
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Optimal Pac-Man
Tube map stellated rhombicuboctahedron
Logic bot, pt. 2
Design your own flexagon
Jan 2015
Tube map Platonic solids, pt. 3
2014
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Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
May 2014
World Cup stickers
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Countdown probability, pt. 2
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New machine unfriendly £1 coin, pt. 2
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2013
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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2012
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Tube map Platonic solids, pt. 2
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Tube map Platonic solids
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Archive
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Christmas (2023) is coming!
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Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
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The databet
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Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
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24 Hour Maths Game Show
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Approximating π
Feb 2022
Build your own MENACE
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Christmas (2021) is over
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Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy 10+cos(τ) 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
crochet
error bars
php
fence posts
captain scarlet
preconditioning
sorting
london
games
matrix multiplication
mathsjam
accuracy
standard deviation
books
news
fonts
game of life
dataset
determinants
mean
chebyshev
royal institution
platonic solids
light
geogebra
correlation
stirling numbers
finite element method
youtube
radio 4
big internet math-off
interpolation
rhombicuboctahedron
manchester
convergence
pizza cutting
pascal's triangle
weather station
people maths
ternary
realhats
speed
simultaneous equations
pi
errors
hannah fry
countdown
fractals
bempp
hyperbolic surfaces
matrix of minors
mathsteroids
javascript
christmas
bubble bobble
live stream
bodmas
map projections
game show probability
pi approximation day
regular expressions
folding tube maps
edinburgh
reuleaux polygons
matt parker
latex
chalkdust magazine
cross stitch
estimation
asteroids
inline code
computational complexity
triangles
databet
pythagoras
stickers
recursion
runge's phenomenon
braiding
sobolev spaces
a gamut of games
binary
martin gardner
menace
puzzles
guest posts
python
flexagons
frobel
zines
geometry
dragon curves
phd
quadrilaterals
world cup
cambridge
chess
final fantasy
sport
gaussian elimination
golden ratio
signorini conditions
reddit
palindromes
weak imposition
crossnumber
the aperiodical
turtles
oeis
programming
christmas card
wool
go
bots
squares
draughts
boundary element methods
gather town
finite group
rugby
hats
electromagnetic field
european cup
harriss spiral
dinosaurs
craft
newcastle
data visualisation
graphs
coins
misleading statistics
dates
matrices
friendly squares
graph theory
national lottery
probability
machine learning
exponential growth
trigonometry
matrix of cofactors
numbers
folding paper
pac-man
raspberry pi
video games
gerry anderson
golden spiral
football
propositional calculus
logic
talking maths in public
anscombe's quartet
mathslogicbot
hexapawn
plastic ratio
royal baby
datasaurus dozen
curvature
24 hour maths
advent calendar
inverse matrices
nine men's morris
statistics
logo
noughts and crosses
logs
polynomials
kings
arithmetic
tmip
manchester science festival
tennis
numerical analysis
wave scattering
ucl
london underground
data
approximation
sound
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