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2019-12-22
Too bad there's not a prize for finding everyone early...
Seth
on
/blog/69
Archive
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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
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2025
Dec 2025
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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
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Zines, pt. 2
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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
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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
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Dec 2021
Christmas card 2021
Nov 2021
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Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
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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
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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
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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
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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
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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
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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
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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
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▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
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Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
inverse matrices
go
partridge puzzle
stickers
24 hour maths
fonts
folding tube maps
standard deviation
sport
crossnumbers
programming
nonograms
tennis
sobolev spaces
gaussian elimination
world cup
realhats
manchester
asteroids
php
dinosaurs
hannah fry
video games
alphabets
boundary element methods
cross stitch
harriss spiral
fractals
mean
numerical analysis
games
hats
quadrilaterals
bempp
geogebra
dragon curves
interpolation
coventry
the aperiodical
finite element method
fence posts
data
dates
national lottery
menace
light
rhombicuboctahedron
turtles
pythagoras
exponential growth
curvature
braiding
map projections
logo
oeis
talking maths in public
inline code
bluesky
pokémon wordle
mathsteroids
london
arithmetic
matt parker
anscombe's quartet
final fantasy
signorini conditions
puzzles
triangles
finite group
pac-man
youtube
palindromes
advent calendar
accuracy
logs
error bars
radio 4
dataset
craft
databet
martin gardner
runge's phenomenon
kenilworth
electromagnetic field
matrix multiplication
bodmas
sorting
christmas card
pi
regular expressions
golden ratio
christmas
estimation
logic
european cup
javascript
speed
machine learning
newcastle
reuleaux polygons
simultaneous equations
cambridge
folding paper
weak imposition
determinants
phd
coins
guest posts
statistics
live stream
trigonometry
binary
rugby
books
ucl
draughts
countdown
data visualisation
latex
graphs
matrices
misleading statistics
matrix of minors
preconditioning
crosswords
pokémon
mathslogicbot
hyperbolic surfaces
bots
numbers
errors
plastic ratio
probability
kings
raspberry pi
crossnumber
platonic solids
royal institution
wordle
gather town
bubble bobble
zines
graph theory
game show probability
captain scarlet
warwick
frobel
golden spiral
ternary
london underground
big internet math-off
edinburgh
tmip
flexagons
royal baby
arrangement puzzles
reddit
computational complexity
nine men's morris
pizza cutting
python
gerry anderson
pascal's triangle
hexapawn
a gamut of games
friendly squares
stirling numbers
recursion
wool
game of life
football
weather station
geometry
chebyshev
noughts and crosses
matrix of cofactors
sound
tetris
squares
thirteen
polynomials
pi approximation day
chalkdust magazine
news
rust
convergence
mathsjam
crochet
manchester science festival
datasaurus dozen
correlation
people maths
wave scattering
approximation
propositional calculus
chess
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 -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
coins
signorini conditions
geogebra
puzzles
pythagoras
boundary element methods
errors
hexapawn
electromagnetic field
palindromes
london underground
stirling numbers
computational complexity
nonograms
youtube
reuleaux polygons
national lottery
warwick
kings
guest posts
big internet math-off
determinants
advent calendar
thirteen
wave scattering
sport
craft
sorting
games
braiding
rhombicuboctahedron
convergence
anscombe's quartet
finite group
newcastle
dragon curves
curvature
datasaurus dozen
ucl
martin gardner
golden spiral
recursion
nine men's morris
speed
flexagons
sound
tmip
fractals
turtles
fence posts
python
dinosaurs
simultaneous equations
accuracy
logic
pokémon wordle
latex
logs
light
inline code
estimation
wool
bots
gerry anderson
tetris
squares
pac-man
chess
map projections
pascal's triangle
wordle
runge's phenomenon
radio 4
mathsteroids
video games
graph theory
pokémon
oeis
harriss spiral
gather town
bodmas
football
dataset
bluesky
books
interpolation
london
final fantasy
crosswords
weak imposition
christmas card
pi approximation day
mean
triangles
asteroids
finite element method
data visualisation
machine learning
bubble bobble
matt parker
reddit
the aperiodical
go
graphs
preconditioning
draughts
phd
standard deviation
regular expressions
talking maths in public
rugby
people maths
numbers
probability
tennis
plastic ratio
raspberry pi
fonts
zines
live stream
stickers
pizza cutting
world cup
crossnumbers
mathslogicbot
error bars
hannah fry
programming
coventry
chalkdust magazine
frobel
mathsjam
gaussian elimination
statistics
kenilworth
binary
partridge puzzle
manchester science festival
folding paper
quadrilaterals
logo
matrix of cofactors
hyperbolic surfaces
javascript
approximation
folding tube maps
platonic solids
royal institution
a gamut of games
dates
matrix of minors
matrices
countdown
crochet
captain scarlet
menace
exponential growth
royal baby
misleading statistics
crossnumber
hats
sobolev spaces
php
friendly squares
propositional calculus
chebyshev
arrangement puzzles
rust
game of life
european cup
realhats
pi
bempp
news
game show probability
edinburgh
polynomials
noughts and crosses
arithmetic
weather station
manchester
cambridge
cross stitch
24 hour maths
data
matrix multiplication
inverse matrices
christmas
alphabets
trigonometry
databet
correlation
golden ratio
numerical analysis
geometry
ternary
© Matthew Scroggs 2012–2026
on /blog/69