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Comments in green were written by me. Comments in blue were not written by me.
2016-12-13
@
Mike
: I've added a clarification to puzzle 5. Glad you're enjoying the puzzles!
Matthew
on
/blog/36
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Archive
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Nov 2025
Christmas (2025) is coming!
Sep 2025
The partridge puzzle
Aug 2025
TMiP 2025 puzzle hunt
Jun 2025
A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
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Dec 2023
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Christmas (2023) is coming!
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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
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
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
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Dec 2021
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Nov 2021
Christmas (2021) is coming!
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TMiP 2021 puzzle hunt
May 2021
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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 -62+e+gτ-√3 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
ternary
ucl
matrix multiplication
noughts and crosses
dataset
european cup
javascript
error bars
determinants
chess
chalkdust magazine
pokémon
wave scattering
london
football
coventry
anscombe's quartet
partridge puzzle
guest posts
logs
cross stitch
map projections
nonograms
binary
world cup
fence posts
turtles
wool
bots
dinosaurs
misleading statistics
weak imposition
pac-man
standard deviation
a gamut of games
data visualisation
data
matrices
craft
cambridge
speed
bubble bobble
statistics
trigonometry
curvature
estimation
pi approximation day
go
datasaurus dozen
reddit
royal baby
crossnumbers
errors
christmas
pascal's triangle
graph theory
boundary element methods
people maths
programming
gaussian elimination
advent calendar
tetris
realhats
inverse matrices
dragon curves
pokémon wordle
manchester science festival
machine learning
bluesky
kings
london underground
squares
hexapawn
finite element method
runge's phenomenon
draughts
the aperiodical
stirling numbers
thirteen
mathslogicbot
databet
matt parker
big internet math-off
quadrilaterals
zines
python
news
arrangement puzzles
convergence
royal institution
fonts
live stream
signorini conditions
countdown
tmip
radio 4
accuracy
game show probability
geogebra
puzzles
sport
computational complexity
php
harriss spiral
frobel
video games
numbers
logo
numerical analysis
crochet
game of life
triangles
kenilworth
sobolev spaces
gather town
mathsteroids
asteroids
pythagoras
latex
phd
youtube
crossnumber
matrix of cofactors
chebyshev
exponential growth
plastic ratio
talking maths in public
bodmas
electromagnetic field
light
national lottery
gerry anderson
edinburgh
friendly squares
raspberry pi
rugby
polynomials
geometry
pi
matrix of minors
finite group
palindromes
nine men's morris
correlation
games
simultaneous equations
crosswords
mean
hats
flexagons
probability
24 hour maths
fractals
warwick
reuleaux polygons
alphabets
arithmetic
folding paper
wordle
propositional calculus
martin gardner
approximation
christmas card
menace
recursion
hannah fry
preconditioning
captain scarlet
final fantasy
mathsjam
golden spiral
sound
books
inline code
weather station
bempp
rhombicuboctahedron
pizza cutting
hyperbolic surfaces
graphs
oeis
platonic solids
folding tube maps
golden ratio
logic
stickers
braiding
regular expressions
newcastle
interpolation
sorting
tennis
rust
dates
coins
manchester
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