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2017-06-03
Wow! This has made my weekend.
Tony Mann
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/blog/44
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Approximating π
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Happy -62+e+gτ-√3 Approximation Day!
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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
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2019
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Visualising MENACE's learning
Christmas card 2019
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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
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Christmas cross stitch
MENACE in fiction
Christmas card 2018
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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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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
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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
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Jan 2016
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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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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
hyperbolic surfaces
coins
golden ratio
weather station
arrangement puzzles
turtles
thirteen
exponential growth
anscombe's quartet
inline code
finite element method
the aperiodical
mathsjam
advent calendar
sound
nine men's morris
wordle
noughts and crosses
national lottery
golden spiral
live stream
rust
frobel
light
determinants
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chalkdust magazine
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martin gardner
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crochet
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menace
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tennis
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24 hour maths
a gamut of games
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wool
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london underground
kings
news
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flexagons
crossnumbers
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warwick
data
platonic solids
accuracy
talking maths in public
squares
stickers
crosswords
hexapawn
geometry
friendly squares
oeis
mean
pascal's triangle
rhombicuboctahedron
bodmas
pizza cutting
fence posts
error bars
newcastle
bubble bobble
partridge puzzle
go
dates
matrix of minors
logs
arithmetic
dinosaurs
trigonometry
gather town
chess
reuleaux polygons
ucl
youtube
christmas
harriss spiral
hats
tetris
pi
data visualisation
mathsteroids
geogebra
misleading statistics
weak imposition
mathslogicbot
craft
propositional calculus
regular expressions
radio 4
matrices
royal institution
bots
fonts
errors
puzzles
sorting
inverse matrices
programming
royal baby
alphabets
folding paper
gerry anderson
game of life
graphs
pokémon wordle
speed
triangles
logo
polynomials
pythagoras
draughts
binary
final fantasy
football
ternary
standard deviation
video games
asteroids
matrix of cofactors
folding tube maps
dataset
approximation
countdown
php
sport
cross stitch
braiding
hannah fry
graph theory
games
map projections
kenilworth
chebyshev
manchester science festival
correlation
probability
realhats
matt parker
manchester
stirling numbers
books
wave scattering
palindromes
nonograms
recursion
reddit
phd
rugby
runge's phenomenon
london
guest posts
edinburgh
curvature
quadrilaterals
pi approximation day
numerical analysis
plastic ratio
dragon curves
big internet math-off
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
crochet
sound
correlation
bluesky
electromagnetic field
weak imposition
ternary
map projections
exponential growth
bodmas
nonograms
fractals
binary
machine learning
matrix of minors
datasaurus dozen
friendly squares
geogebra
chess
approximation
matrix multiplication
sobolev spaces
platonic solids
games
the aperiodical
determinants
advent calendar
mathslogicbot
anscombe's quartet
coventry
finite group
palindromes
newcastle
runge's phenomenon
errors
noughts and crosses
arithmetic
thirteen
sport
flexagons
sorting
final fantasy
hexapawn
misleading statistics
live stream
european cup
chebyshev
craft
draughts
cross stitch
inverse matrices
harriss spiral
people maths
crossnumbers
bots
data
zines
matrices
braiding
wool
logs
youtube
pi approximation day
pac-man
world cup
reuleaux polygons
edinburgh
christmas
rugby
latex
dataset
hannah fry
crossnumber
pi
plastic ratio
turtles
bempp
manchester
quadrilaterals
talking maths in public
gaussian elimination
manchester science festival
stickers
hats
radio 4
menace
python
partridge puzzle
numerical analysis
pythagoras
royal baby
standard deviation
folding paper
geometry
asteroids
martin gardner
estimation
tmip
bubble bobble
news
inline code
folding tube maps
fonts
hyperbolic surfaces
tetris
preconditioning
rhombicuboctahedron
databet
numbers
go
guest posts
realhats
pokémon wordle
big internet math-off
boundary element methods
dates
stirling numbers
polynomials
oeis
dinosaurs
crosswords
rust
coins
phd
ucl
triangles
convergence
curvature
javascript
puzzles
gather town
mean
logic
royal institution
kings
error bars
squares
pascal's triangle
propositional calculus
video games
alphabets
london underground
game show probability
trigonometry
game of life
mathsjam
a gamut of games
interpolation
wave scattering
pokémon
christmas card
books
london
finite element method
logo
accuracy
matt parker
fence posts
arrangement puzzles
gerry anderson
speed
chalkdust magazine
cambridge
reddit
24 hour maths
weather station
wordle
warwick
probability
php
regular expressions
data visualisation
tennis
golden spiral
light
graphs
signorini conditions
dragon curves
football
nine men's morris
computational complexity
frobel
golden ratio
pizza cutting
statistics
kenilworth
matrix of cofactors
captain scarlet
raspberry pi
mathsteroids
programming
graph theory
countdown
simultaneous equations
recursion
national lottery
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on /blog/44