mscroggs
.co.uk
mscroggs
.co.uk
blog
puzzles
academic
talks
contact
subscribe
↓ ☰ ↓
subscribe
Loading image...
Comment
Comments
Comments in green were written by me. Comments in blue were not written by me.
2024-01-07
(you've left the "drones" in at the beginning of the Winners section)
Ben Reiniger
on
/blog/109
×2
×2
×3
×1
×2
Archive
Show me a random blog post
2026
May 2026
World Cup stickers 2026
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 -6+τφ 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
geometry
dataset
reddit
fractals
chess
harriss spiral
arithmetic
warwick
crochet
go
coventry
24 hour maths
zines
news
mathslogicbot
nine men's morris
light
arrangement puzzles
boundary element methods
gaussian elimination
graphs
platonic solids
pac-man
estimation
anscombe's quartet
game show probability
fonts
folding tube maps
coins
football
ucl
php
nonograms
the aperiodical
bots
errors
numbers
christmas
matrix multiplication
royal institution
pokémon wordle
cambridge
draughts
cross stitch
data
youtube
statistics
mathsteroids
bluesky
palindromes
pi approximation day
guest posts
radio 4
rhombicuboctahedron
sound
crossnumber
numerical analysis
curvature
christmas card
golden ratio
pi
countdown
thirteen
national lottery
manchester
crossnumbers
chebyshev
map projections
logic
speed
tennis
inverse matrices
puzzles
bubble bobble
dates
matrices
stirling numbers
logs
javascript
golden spiral
simultaneous equations
recursion
runge's phenomenon
hannah fry
binary
logo
tmip
european cup
bempp
video games
hyperbolic surfaces
geogebra
dinosaurs
london
matrix of minors
computational complexity
weather station
matt parker
determinants
a gamut of games
pythagoras
pascal's triangle
braiding
big internet math-off
squares
sobolev spaces
finite group
probability
interpolation
noughts and crosses
wave scattering
latex
turtles
python
friendly squares
trigonometry
edinburgh
martin gardner
realhats
fence posts
electromagnetic field
hexapawn
approximation
newcastle
phd
gather town
live stream
royal baby
datasaurus dozen
people maths
signorini conditions
games
manchester science festival
raspberry pi
standard deviation
rust
data visualisation
matrix of cofactors
sport
databet
mean
crosswords
tetris
programming
kenilworth
final fantasy
hats
plastic ratio
weak imposition
london underground
stickers
ternary
wool
polynomials
folding paper
gerry anderson
talking maths in public
flexagons
kings
exponential growth
books
partridge puzzle
preconditioning
sorting
bodmas
finite element method
frobel
advent calendar
menace
wordle
misleading statistics
alphabets
craft
asteroids
regular expressions
world cup
quadrilaterals
rugby
reuleaux polygons
machine learning
propositional calculus
correlation
pokémon
game of life
triangles
convergence
pizza cutting
dragon curves
graph theory
inline code
mathsjam
chalkdust magazine
error bars
captain scarlet
accuracy
oeis
Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
2026
May 2026
World Cup stickers 2026
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 -6+τφ 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
flexagons
the aperiodical
games
football
fractals
kenilworth
logic
national lottery
arithmetic
kings
polynomials
programming
hexapawn
javascript
talking maths in public
finite element method
geometry
data visualisation
map projections
crosswords
weather station
anscombe's quartet
london underground
bempp
manchester science festival
bluesky
machine learning
royal institution
sound
bubble bobble
bodmas
datasaurus dozen
wordle
warwick
dataset
finite group
pascal's triangle
24 hour maths
ternary
binary
radio 4
databet
chalkdust magazine
regular expressions
matrix multiplication
raspberry pi
hats
palindromes
graphs
sport
menace
noughts and crosses
a gamut of games
estimation
nonograms
mathsteroids
draughts
fonts
puzzles
electromagnetic field
stirling numbers
folding tube maps
signorini conditions
turtles
exponential growth
matrix of minors
youtube
pizza cutting
mean
braiding
fence posts
accuracy
graph theory
sobolev spaces
reddit
cambridge
interpolation
edinburgh
christmas card
martin gardner
misleading statistics
frobel
probability
error bars
advent calendar
statistics
speed
pythagoras
phd
matrix of cofactors
correlation
books
royal baby
rhombicuboctahedron
manchester
realhats
rust
triangles
dinosaurs
crossnumbers
ucl
computational complexity
determinants
london
go
stickers
asteroids
hyperbolic surfaces
pi
tetris
pi approximation day
platonic solids
pokémon
zines
final fantasy
christmas
guest posts
live stream
preconditioning
craft
hannah fry
wool
partridge puzzle
trigonometry
logs
crossnumber
light
thirteen
coventry
boundary element methods
matrices
crochet
numerical analysis
game show probability
simultaneous equations
alphabets
runge's phenomenon
recursion
arrangement puzzles
standard deviation
latex
squares
bots
newcastle
approximation
pac-man
geogebra
oeis
weak imposition
rugby
wave scattering
coins
tmip
plastic ratio
folding paper
friendly squares
game of life
sorting
gerry anderson
big internet math-off
tennis
nine men's morris
golden spiral
golden ratio
mathsjam
inline code
harriss spiral
numbers
propositional calculus
python
mathslogicbot
people maths
gaussian elimination
php
curvature
dragon curves
quadrilaterals
errors
pokémon wordle
chebyshev
reuleaux polygons
world cup
dates
news
data
european cup
gather town
matt parker
inverse matrices
captain scarlet
video games
chess
convergence
cross stitch
countdown
logo
© Matthew Scroggs 2012–2026
on /blog/109