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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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Archive
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2024
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
▼ show ▼
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Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
May 2023
Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
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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
Jan 2022
Christmas (2021) is over
2021
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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
▼ show ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy (e+τ)-7 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
matt parker
chebyshev
tennis
misleading statistics
captain scarlet
manchester
24 hour maths
numbers
matrix of minors
world cup
london
folding paper
logs
the aperiodical
chess
light
squares
interpolation
stirling numbers
trigonometry
errors
go
pascal's triangle
raspberry pi
manchester science festival
geometry
computational complexity
datasaurus dozen
accuracy
standard deviation
data
recursion
pizza cutting
edinburgh
phd
christmas
flexagons
finite element method
dragon curves
rugby
coins
games
craft
game show probability
matrices
signorini conditions
quadrilaterals
fence posts
countdown
runge's phenomenon
python
propositional calculus
logo
gaussian elimination
hexapawn
oeis
football
programming
fonts
youtube
gerry anderson
determinants
fractals
statistics
nine men's morris
matrix multiplication
bodmas
pi
bubble bobble
zines
exponential growth
databet
finite group
newcastle
reddit
geogebra
cross stitch
draughts
mathsjam
pi approximation day
royal baby
dinosaurs
plastic ratio
game of life
sound
mathsteroids
dataset
european cup
polynomials
menace
asteroids
braiding
simultaneous equations
inverse matrices
binary
weather station
weak imposition
crossnumber
graph theory
rhombicuboctahedron
mean
graphs
puzzles
cambridge
pythagoras
chalkdust magazine
curvature
triangles
live stream
ucl
palindromes
tmip
golden ratio
logic
noughts and crosses
crochet
video games
machine learning
royal institution
javascript
harriss spiral
convergence
sorting
guest posts
realhats
hyperbolic surfaces
radio 4
frobel
final fantasy
php
london underground
electromagnetic field
bempp
christmas card
boundary element methods
dates
correlation
hats
preconditioning
arithmetic
books
mathslogicbot
people maths
big internet math-off
wave scattering
sport
approximation
speed
estimation
news
ternary
turtles
wool
anscombe's quartet
error bars
hannah fry
reuleaux polygons
advent calendar
golden spiral
gather town
folding tube maps
a gamut of games
martin gardner
map projections
talking maths in public
numerical analysis
inline code
data visualisation
platonic solids
matrix of cofactors
stickers
sobolev spaces
pac-man
latex
national lottery
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