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Comments in green were written by me. Comments in blue were not written by me.
2024-12-25
Such a treat, thanks for all the effort! I was flying solo this year after my usual puzzle wingman dropped out. Finite Group members kindly helped out.
Lizzie
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2026
May 2026
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Mixing Wordle with other games
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2025
Dec 2025
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Aug 2025
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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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Sep 2023
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May 2023
Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
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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
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
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -9+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
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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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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
books
plastic ratio
matrix of minors
wordle
guest posts
advent calendar
squares
logic
big internet math-off
dates
datasaurus dozen
graphs
standard deviation
tetris
reddit
speed
chess
curvature
kings
light
the aperiodical
stirling numbers
bodmas
pizza cutting
geogebra
rugby
puzzles
quadrilaterals
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determinants
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pi approximation day
turtles
edinburgh
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fonts
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captain scarlet
computational complexity
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tennis
hats
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24 hour maths
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tmip
christmas
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london underground
cross stitch
weather station
preconditioning
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frobel
statistics
royal baby
logs
bluesky
numbers
final fantasy
electromagnetic field
simultaneous equations
phd
harriss spiral
wool
matt parker
coventry
inline code
manchester science festival
pascal's triangle
london
interpolation
gaussian elimination
youtube
pac-man
nine men's morris
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stickers
javascript
recursion
chalkdust magazine
flexagons
radio 4
mathsteroids
noughts and crosses
asteroids
programming
game of life
warwick
approximation
probability
chebyshev
pi
go
games
binary
coins
countdown
misleading statistics
sport
manchester
estimation
reuleaux polygons
error bars
runge's phenomenon
triangles
polynomials
convergence
finite group
martin gardner
folding tube maps
inverse matrices
hannah fry
talking maths in public
ternary
people maths
logo
nonograms
fractals
hyperbolic surfaces
golden ratio
trigonometry
python
crosswords
newcastle
rust
pokémon wordle
sound
correlation
menace
a gamut of games
matrix multiplication
data
crochet
machine learning
folding paper
php
cambridge
errors
pythagoras
world cup
dataset
sobolev spaces
thirteen
hexapawn
braiding
numerical analysis
palindromes
golden spiral
craft
gerry anderson
bubble bobble
raspberry pi
ucl
graph theory
mean
platonic solids
anscombe's quartet
map projections
kenilworth
sorting
regular expressions
fence posts
football
pokémon
rhombicuboctahedron
mathslogicbot
realhats
zines
friendly squares
matrices
national lottery
royal institution
wave scattering
accuracy
weak imposition
matrix of cofactors
finite element method
crossnumber
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bempp
databet
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news
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game show probability
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 -9+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
a gamut of games
edinburgh
manchester science festival
tennis
bempp
runge's phenomenon
python
pi
graphs
christmas
inverse matrices
logs
kings
databet
php
puzzles
arithmetic
game show probability
pascal's triangle
newcastle
football
javascript
london underground
triangles
captain scarlet
hexapawn
world cup
final fantasy
live stream
menace
anscombe's quartet
bots
wordle
gaussian elimination
braiding
regular expressions
geometry
go
hyperbolic surfaces
the aperiodical
dragon curves
ternary
palindromes
bodmas
finite element method
books
frobel
ucl
dataset
bubble bobble
crossnumber
folding paper
bluesky
logo
preconditioning
mathslogicbot
radio 4
chess
draughts
nonograms
numerical analysis
news
dinosaurs
stirling numbers
latex
royal baby
turtles
propositional calculus
finite group
matrix of minors
machine learning
noughts and crosses
exponential growth
mean
statistics
approximation
manchester
wool
inline code
boundary element methods
simultaneous equations
big internet math-off
arrangement puzzles
raspberry pi
errors
matrix multiplication
data
programming
guest posts
probability
phd
24 hour maths
christmas card
countdown
talking maths in public
nine men's morris
chebyshev
crosswords
flexagons
pac-man
determinants
numbers
national lottery
interpolation
zines
folding tube maps
golden spiral
warwick
matt parker
games
craft
chalkdust magazine
rhombicuboctahedron
convergence
sound
cross stitch
quadrilaterals
mathsjam
pokémon
coventry
trigonometry
pokémon wordle
data visualisation
realhats
london
mathsteroids
advent calendar
matrices
binary
standard deviation
fractals
video games
game of life
plastic ratio
tetris
computational complexity
friendly squares
partridge puzzle
golden ratio
tmip
stickers
weather station
european cup
sobolev spaces
harriss spiral
curvature
pythagoras
sport
thirteen
speed
wave scattering
rugby
correlation
electromagnetic field
cambridge
hannah fry
reddit
light
geogebra
weak imposition
gerry anderson
people maths
error bars
datasaurus dozen
logic
fence posts
estimation
crochet
recursion
polynomials
accuracy
map projections
squares
pi approximation day
kenilworth
sorting
signorini conditions
graph theory
asteroids
reuleaux polygons
misleading statistics
oeis
dates
pizza cutting
royal institution
gather town
alphabets
youtube
rust
platonic solids
matrix of cofactors
crossnumbers
martin gardner
fonts
hats
coins
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