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Comments
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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/blog/107
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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
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Visualising MENACE's learning
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A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
Big Internet Math-Off stickers 2019
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Proving a conjecture
Apr 2019
Harriss and other spirals
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realhats
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Christmas cross stitch
MENACE in fiction
Christmas card 2018
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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
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A 20,000-to-1 baby?
World Cup stickers 2018
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Origins of World War I
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The importance of estimation error
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Tube map kaleidocycles
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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
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Logic bot
Sep 2014
Electromagnetic Field talk
Jun 2014
Tennis maths
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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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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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Tube map Platonic solids
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Chalkdust issue 17
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Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
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The databet
Jan 2023
Christmas (2022) is over
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Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
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Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
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Dec 2021
Christmas card 2021
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Christmas (2021) is coming!
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Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -3+e+g-τ-√2 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 ▼
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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
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
probability
draughts
dates
hats
matt parker
manchester science festival
dragon curves
hyperbolic surfaces
statistics
raspberry pi
fence posts
runge's phenomenon
captain scarlet
24 hour maths
frobel
chalkdust magazine
football
reuleaux polygons
triangles
matrix of minors
bots
weather station
platonic solids
turtles
national lottery
light
databet
weak imposition
palindromes
propositional calculus
map projections
people maths
newcastle
final fantasy
bubble bobble
data visualisation
gerry anderson
sobolev spaces
gather town
youtube
edinburgh
asteroids
advent calendar
fonts
rhombicuboctahedron
javascript
london underground
tmip
mathslogicbot
golden ratio
mean
oeis
correlation
rugby
folding tube maps
pascal's triangle
golden spiral
royal baby
wave scattering
estimation
phd
php
talking maths in public
errors
latex
recursion
mathsteroids
graphs
standard deviation
plastic ratio
numbers
determinants
logs
speed
inverse matrices
craft
game show probability
cross stitch
curvature
news
convergence
approximation
arithmetic
electromagnetic field
ternary
datasaurus dozen
game of life
anscombe's quartet
fractals
crochet
bempp
pythagoras
computational complexity
noughts and crosses
chebyshev
cambridge
ucl
dinosaurs
gaussian elimination
graph theory
manchester
christmas card
stickers
coins
finite group
books
flexagons
machine learning
inline code
crossnumber
geometry
binary
numerical analysis
accuracy
bodmas
live stream
boundary element methods
mathsjam
stirling numbers
geogebra
misleading statistics
wool
video games
chess
python
sound
matrix multiplication
harriss spiral
games
quadrilaterals
signorini conditions
squares
realhats
sorting
exponential growth
data
the aperiodical
trigonometry
preconditioning
london
tennis
matrices
pi approximation day
countdown
pizza cutting
zines
puzzles
hannah fry
nine men's morris
polynomials
dataset
go
programming
braiding
martin gardner
menace
a gamut of games
logo
christmas
matrix of cofactors
world cup
sport
finite element method
guest posts
error bars
folding paper
logic
simultaneous equations
interpolation
pi
hexapawn
radio 4
reddit
big internet math-off
pac-man
european cup
royal institution
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