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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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How to write a crossnumber
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A regular expression Christmas puzzle
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Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
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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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Christmas card 2021
Nov 2021
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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 -4-φ-√2+5√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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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
oeis
map projections
reuleaux polygons
preconditioning
menace
weather station
warwick
determinants
gerry anderson
matt parker
sobolev spaces
convergence
national lottery
tetris
logo
dataset
databet
go
chess
european cup
finite group
stirling numbers
speed
quadrilaterals
coventry
youtube
talking maths in public
binary
numerical analysis
guest posts
nine men's morris
mean
24 hour maths
friendly squares
pokémon
a gamut of games
braiding
estimation
london
turtles
royal institution
crossnumber
nonograms
tennis
harriss spiral
newcastle
phd
dates
manchester science festival
video games
reddit
rhombicuboctahedron
pac-man
geogebra
bubble bobble
chalkdust magazine
news
inverse matrices
recursion
rugby
misleading statistics
royal baby
football
books
christmas
interpolation
anscombe's quartet
data visualisation
wordle
machine learning
pizza cutting
probability
bots
data
rust
graph theory
puzzles
sorting
latex
gaussian elimination
big internet math-off
dinosaurs
gather town
asteroids
alphabets
datasaurus dozen
logs
fonts
draughts
mathsjam
logic
approximation
crochet
matrix of cofactors
palindromes
world cup
boundary element methods
thirteen
mathslogicbot
error bars
javascript
wool
python
plastic ratio
golden ratio
arrangement puzzles
standard deviation
wave scattering
bluesky
mathsteroids
accuracy
edinburgh
fence posts
manchester
frobel
graphs
zines
errors
countdown
matrix multiplication
advent calendar
flexagons
london underground
pi approximation day
craft
coins
sound
electromagnetic field
pythagoras
christmas card
cambridge
weak imposition
statistics
php
final fantasy
radio 4
captain scarlet
correlation
game show probability
crosswords
partridge puzzle
arithmetic
folding tube maps
programming
squares
bodmas
signorini conditions
pokémon wordle
folding paper
computational complexity
pi
games
kings
martin gardner
fractals
bempp
simultaneous equations
hyperbolic surfaces
hats
regular expressions
the aperiodical
kenilworth
people maths
curvature
trigonometry
noughts and crosses
polynomials
stickers
live stream
crossnumbers
platonic solids
sport
hexapawn
pascal's triangle
ternary
triangles
runge's phenomenon
matrices
inline code
numbers
propositional calculus
hannah fry
geometry
game of life
golden spiral
exponential growth
raspberry pi
realhats
dragon curves
matrix of minors
cross stitch
tmip
light
chebyshev
ucl
finite element method
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 -4-φ-√2+5√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
braiding
24 hour maths
gerry anderson
anscombe's quartet
fence posts
hexapawn
mean
pi approximation day
inline code
warwick
menace
draughts
tetris
london underground
rhombicuboctahedron
map projections
light
pizza cutting
game of life
books
accuracy
polynomials
nonograms
fractals
propositional calculus
chalkdust magazine
partridge puzzle
asteroids
convergence
crosswords
go
flexagons
hannah fry
palindromes
hyperbolic surfaces
newcastle
latex
the aperiodical
probability
chess
statistics
oeis
signorini conditions
youtube
dragon curves
databet
dataset
royal institution
triangles
numerical analysis
inverse matrices
machine learning
arithmetic
sport
london
bots
christmas
zines
wordle
hats
pythagoras
platonic solids
cambridge
datasaurus dozen
bluesky
craft
live stream
pokémon
standard deviation
boundary element methods
finite group
national lottery
thirteen
radio 4
matrix multiplication
data
mathslogicbot
python
coventry
rugby
pi
tmip
weak imposition
chebyshev
friendly squares
pascal's triangle
raspberry pi
crossnumber
speed
dates
sobolev spaces
cross stitch
captain scarlet
dinosaurs
martin gardner
ternary
game show probability
manchester science festival
a gamut of games
matrices
correlation
recursion
reuleaux polygons
logo
determinants
preconditioning
sorting
guest posts
misleading statistics
finite element method
manchester
bubble bobble
people maths
bempp
alphabets
pac-man
php
wool
kings
advent calendar
binary
ucl
fonts
programming
computational complexity
squares
matt parker
curvature
matrix of cofactors
geogebra
christmas card
graphs
logic
football
royal baby
runge's phenomenon
gaussian elimination
arrangement puzzles
plastic ratio
regular expressions
mathsjam
talking maths in public
data visualisation
trigonometry
kenilworth
weather station
big internet math-off
mathsteroids
golden ratio
javascript
european cup
video games
geometry
quadrilaterals
simultaneous equations
nine men's morris
edinburgh
numbers
world cup
pokémon wordle
stickers
matrix of minors
harriss spiral
reddit
bodmas
stirling numbers
crochet
coins
interpolation
tennis
graph theory
folding paper
exponential growth
phd
wave scattering
approximation
final fantasy
error bars
noughts and crosses
errors
realhats
estimation
sound
folding tube maps
golden spiral
crossnumbers
turtles
rust
news
logs
frobel
electromagnetic field
countdown
gather town
puzzles
games
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