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Comments in green were written by me. Comments in blue were not written by me.
2019-12-23
@
Matthew
: There was a mistake: I'd written the rows in the wrong order. I've now corrected it.
Matthew
on
/blog/69
2019-12-23
@
Matthew
: There was a mistake: I'd written the rows in the wrong order. I've now corrected it.
Matthew
on
/blog/69
2019-12-23
@
Matthew
: There was a mistake: I'd written the rows in the wrong order. I've now corrected it.
Matthew
on
/blog/69
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PhD thesis, chapter 1
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A bad Puzzle for Today
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The importance of estimation error
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Braiding, pt. 2
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Making names in Life
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Proving Pythagoras' theorem
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Optimal Pac-Man
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Tennis maths
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Countdown probability, pt. 2
Countdown probability
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New machine unfriendly £1 coin, pt. 2
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2013
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Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
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Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
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Archive
Show me a random blog post
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2026
May 2026
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Apr 2026
A new puzzle every day
Mixing Wordle with other games
Feb 2026
Christmas (2025) is over
2025
Dec 2025
Christmas card 2025
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
▼ show ▼
▲ hide ▲
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 ▼
▲ hide ▲
Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
Oct 2022
24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
▼ show ▼
▲ hide ▲
Dec 2021
Christmas card 2021
Nov 2021
Christmas (2021) is coming!
Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
▲ hide ▲
Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -26+eg 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
phd
folding paper
folding tube maps
geometry
ucl
london
radio 4
manchester science festival
books
pokémon
inline code
guest posts
error bars
numbers
dinosaurs
zines
curvature
games
finite element method
mathslogicbot
dataset
raspberry pi
go
inverse matrices
matrix of cofactors
london underground
mathsjam
kings
latex
anscombe's quartet
speed
fence posts
rugby
tennis
24 hour maths
wool
statistics
boundary element methods
dragon curves
plastic ratio
realhats
gather town
estimation
the aperiodical
probability
manchester
nine men's morris
simultaneous equations
sound
approximation
weather station
propositional calculus
national lottery
hannah fry
crochet
signorini conditions
convergence
machine learning
golden spiral
stickers
databet
pascal's triangle
correlation
logo
menace
royal institution
puzzles
crosswords
people maths
hyperbolic surfaces
matt parker
quadrilaterals
dates
youtube
captain scarlet
world cup
advent calendar
wordle
kenilworth
standard deviation
pi approximation day
exponential growth
bubble bobble
frobel
weak imposition
a gamut of games
matrix of minors
live stream
cross stitch
crossnumber
chalkdust magazine
squares
partridge puzzle
coventry
edinburgh
light
errors
game of life
arrangement puzzles
programming
graphs
numerical analysis
pi
christmas card
asteroids
bempp
chess
pac-man
php
ternary
crossnumbers
misleading statistics
martin gardner
final fantasy
geogebra
bots
fractals
gaussian elimination
fonts
big internet math-off
graph theory
mathsteroids
golden ratio
reddit
alphabets
noughts and crosses
football
game show probability
cambridge
bodmas
datasaurus dozen
countdown
data
newcastle
harriss spiral
pokémon wordle
turtles
gerry anderson
nonograms
wave scattering
python
matrices
runge's phenomenon
javascript
regular expressions
sport
warwick
platonic solids
arithmetic
thirteen
bluesky
friendly squares
braiding
tmip
preconditioning
determinants
hats
oeis
recursion
hexapawn
european cup
interpolation
data visualisation
tetris
news
logs
sorting
binary
video games
electromagnetic field
craft
rhombicuboctahedron
draughts
mean
chebyshev
stirling numbers
matrix multiplication
pizza cutting
coins
logic
polynomials
talking maths in public
flexagons
palindromes
rust
royal baby
map projections
trigonometry
sobolev spaces
reuleaux polygons
christmas
finite group
accuracy
triangles
computational complexity
pythagoras
© Matthew Scroggs 2012–2026
on /blog/69