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.
2023-11-22
Looking forward to it, as always!
Tony Mann
on
/blog/107
×2
×1
×1
×1
×1
Archive
Show me a random blog post
2026
Feb 2026
Christmas (2025) is over
2025
▼ show ▼
▲ hide ▲
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
▼ show ▼
▲ hide ▲
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 -2+g-π 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
rust
signorini conditions
sobolev spaces
christmas
javascript
bodmas
pascal's triangle
countdown
warwick
boundary element methods
kings
books
a gamut of games
news
coventry
oeis
nonograms
national lottery
mean
finite group
realhats
palindromes
python
convergence
world cup
dataset
martin gardner
interpolation
numbers
pizza cutting
polynomials
advent calendar
geometry
golden ratio
sorting
dinosaurs
golden spiral
logo
hyperbolic surfaces
pythagoras
graphs
friendly squares
pac-man
platonic solids
craft
game of life
turtles
tennis
probability
pi approximation day
finite element method
chalkdust magazine
misleading statistics
exponential growth
menace
radio 4
bubble bobble
bots
video games
binary
alphabets
stickers
geogebra
partridge puzzle
matrices
reuleaux polygons
bempp
go
hats
thirteen
people maths
raspberry pi
mathsjam
mathslogicbot
crosswords
inline code
crochet
crossnumbers
reddit
newcastle
chebyshev
anscombe's quartet
databet
inverse matrices
simultaneous equations
rhombicuboctahedron
coins
programming
asteroids
wool
matrix multiplication
data visualisation
preconditioning
harriss spiral
computational complexity
royal institution
pi
phd
hexapawn
european cup
arithmetic
correlation
live stream
electromagnetic field
rugby
sound
gaussian elimination
24 hour maths
approximation
plastic ratio
fonts
propositional calculus
datasaurus dozen
numerical analysis
matrix of minors
logic
sport
folding tube maps
christmas card
puzzles
final fantasy
chess
statistics
gather town
crossnumber
draughts
runge's phenomenon
squares
recursion
game show probability
zines
error bars
weak imposition
matt parker
ucl
errors
curvature
braiding
light
royal baby
php
captain scarlet
guest posts
hannah fry
triangles
ternary
folding paper
trigonometry
big internet math-off
manchester science festival
kenilworth
london underground
latex
flexagons
edinburgh
dragon curves
wave scattering
tmip
noughts and crosses
speed
gerry anderson
map projections
cross stitch
dates
matrix of cofactors
standard deviation
london
the aperiodical
cambridge
talking maths in public
regular expressions
machine learning
accuracy
logs
graph theory
determinants
stirling numbers
mathsteroids
frobel
football
fractals
data
quadrilaterals
nine men's morris
weather station
manchester
estimation
fence posts
youtube
games
Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
2026
Feb 2026
Christmas (2025) is over
2025
▼ show ▼
▲ hide ▲
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
▼ show ▼
▲ hide ▲
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 -2+g-π 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
data
machine learning
error bars
python
triangles
golden ratio
correlation
finite group
dates
martin gardner
hexapawn
cambridge
phd
binary
raspberry pi
christmas
logo
propositional calculus
oeis
pascal's triangle
determinants
bodmas
convergence
go
hannah fry
inverse matrices
royal baby
chebyshev
electromagnetic field
manchester science festival
crochet
final fantasy
european cup
php
tmip
logs
preconditioning
wool
weak imposition
regular expressions
craft
braiding
frobel
warwick
dragon curves
london
game show probability
hats
flexagons
curvature
draughts
gaussian elimination
pi
numerical analysis
books
approximation
arithmetic
polynomials
dataset
map projections
stickers
thirteen
golden spiral
computational complexity
kenilworth
accuracy
gather town
javascript
turtles
youtube
world cup
london underground
asteroids
harriss spiral
signorini conditions
weather station
trigonometry
matrix of cofactors
squares
estimation
plastic ratio
edinburgh
graphs
geometry
datasaurus dozen
countdown
dinosaurs
inline code
noughts and crosses
recursion
mathsjam
rhombicuboctahedron
chalkdust magazine
databet
reddit
menace
partridge puzzle
national lottery
coventry
puzzles
captain scarlet
folding paper
pac-man
reuleaux polygons
cross stitch
light
mathslogicbot
programming
rust
palindromes
platonic solids
misleading statistics
hyperbolic surfaces
coins
pi approximation day
graph theory
nine men's morris
gerry anderson
errors
talking maths in public
crossnumber
interpolation
royal institution
data visualisation
runge's phenomenon
fonts
standard deviation
big internet math-off
christmas card
news
latex
the aperiodical
rugby
anscombe's quartet
finite element method
nonograms
ucl
kings
realhats
games
chess
fractals
manchester
guest posts
crosswords
simultaneous equations
matrix multiplication
live stream
24 hour maths
crossnumbers
sobolev spaces
alphabets
exponential growth
bempp
speed
football
sorting
geogebra
quadrilaterals
pythagoras
tennis
probability
newcastle
radio 4
sport
friendly squares
folding tube maps
boundary element methods
sound
matrices
statistics
zines
bubble bobble
advent calendar
people maths
fence posts
matt parker
video games
wave scattering
mathsteroids
stirling numbers
pizza cutting
mean
logic
matrix of minors
a gamut of games
game of life
ternary
numbers
bots
© Matthew Scroggs 2012–2026
on /blog/107