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Comments in green were written by me. Comments in blue were not written by me.
2025-12-17
@
Bob
: I have noticed this too. I will try not to worry until the final day!
B Boxall
on
/blog/120
Archive
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24 Hour Maths Game Show
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Approximating π
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Build your own MENACE
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Happy -26+eg 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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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
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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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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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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
rust
menace
light
squares
rhombicuboctahedron
sport
exponential growth
triangles
pascal's triangle
mathsteroids
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runge's phenomenon
manchester science festival
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hats
numerical analysis
advent calendar
convergence
wool
data visualisation
pac-man
ternary
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data
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stickers
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mathslogicbot
pokémon
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weak imposition
ucl
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anscombe's quartet
video games
kenilworth
machine learning
bots
chebyshev
signorini conditions
raspberry pi
folding tube maps
misleading statistics
cambridge
polynomials
coventry
the aperiodical
plastic ratio
partridge puzzle
databet
stirling numbers
fence posts
tetris
reuleaux polygons
noughts and crosses
propositional calculus
hannah fry
crossnumbers
tmip
friendly squares
sorting
pokémon wordle
london underground
arithmetic
errors
approximation
puzzles
24 hour maths
guest posts
recursion
a gamut of games
hyperbolic surfaces
preconditioning
logs
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inline code
bodmas
electromagnetic field
reddit
programming
game show probability
hexapawn
graphs
bempp
tennis
geometry
alphabets
logo
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inverse matrices
big internet math-off
statistics
captain scarlet
world cup
latex
people maths
golden spiral
datasaurus dozen
oeis
folding paper
computational complexity
sound
trigonometry
dinosaurs
matrix multiplication
chalkdust magazine
frobel
matrix of cofactors
draughts
logic
standard deviation
christmas
interpolation
geogebra
fonts
graph theory
bubble bobble
php
crochet
news
go
cross stitch
martin gardner
dataset
accuracy
football
live stream
quadrilaterals
harriss spiral
regular expressions
realhats
arrangement puzzles
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royal institution
speed
christmas card
nine men's morris
correlation
turtles
london
craft
simultaneous equations
gather town
mathsjam
pi
curvature
asteroids
matrices
manchester
kings
newcastle
flexagons
dragon curves
pizza cutting
palindromes
warwick
binary
error bars
talking maths in public
european cup
phd
finite element method
zines
countdown
platonic solids
coins
finite group
pi approximation day
thirteen
numbers
dates
final fantasy
bluesky
sobolev spaces
chess
determinants
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javascript
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 -26+eg 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
pi approximation day
video games
harriss spiral
matrix of cofactors
game show probability
phd
pokémon
alphabets
bempp
probability
gerry anderson
bots
dinosaurs
crochet
frobel
approximation
london
captain scarlet
correlation
runge's phenomenon
fonts
estimation
zines
bluesky
hannah fry
european cup
matrix of minors
golden ratio
data visualisation
draughts
advent calendar
determinants
gaussian elimination
youtube
mathsteroids
sound
crossnumbers
geometry
martin gardner
matrices
stickers
logs
reddit
hyperbolic surfaces
people maths
inverse matrices
gather town
statistics
chess
craft
programming
christmas card
cross stitch
rugby
propositional calculus
24 hour maths
pizza cutting
coins
preconditioning
mean
plastic ratio
stirling numbers
bubble bobble
guest posts
nine men's morris
tmip
matt parker
hexapawn
numerical analysis
news
data
recursion
rhombicuboctahedron
javascript
inline code
folding paper
map projections
quadrilaterals
hats
datasaurus dozen
kings
misleading statistics
golden spiral
pi
countdown
manchester
crosswords
machine learning
game of life
weak imposition
logo
trigonometry
live stream
signorini conditions
dates
graphs
php
light
interpolation
asteroids
rust
folding tube maps
sport
chebyshev
anscombe's quartet
numbers
games
realhats
royal baby
simultaneous equations
puzzles
tetris
dragon curves
matrix multiplication
latex
oeis
curvature
a gamut of games
manchester science festival
radio 4
books
arrangement puzzles
standard deviation
error bars
pokémon wordle
royal institution
reuleaux polygons
bodmas
python
chalkdust magazine
mathslogicbot
fractals
sorting
logic
raspberry pi
geogebra
computational complexity
accuracy
sobolev spaces
finite group
menace
the aperiodical
partridge puzzle
final fantasy
flexagons
ternary
national lottery
warwick
christmas
boundary element methods
world cup
squares
ucl
thirteen
turtles
triangles
graph theory
regular expressions
dataset
polynomials
london underground
edinburgh
tennis
exponential growth
weather station
nonograms
platonic solids
crossnumber
fence posts
convergence
wordle
coventry
pascal's triangle
errors
arithmetic
electromagnetic field
friendly squares
newcastle
databet
mathsjam
noughts and crosses
talking maths in public
football
pythagoras
cambridge
kenilworth
palindromes
binary
wave scattering
braiding
pac-man
go
finite element method
wool
big internet math-off
speed
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