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Comments in green were written by me. Comments in blue were not written by me.
2016-12-24
@
Lyra
: Yes, I'm happy to send the prizes internationally. Glad you enjoyed the puzzles. Merry Christmas!
Matthew
on
/blog/36
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Approximating π
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Jul 2020
Happy 5+e-φ+√2 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
▼ show ▼
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Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
game of life
propositional calculus
logo
chess
boundary element methods
datasaurus dozen
latex
national lottery
sound
interpolation
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triangles
captain scarlet
quadrilaterals
cambridge
hats
radio 4
world cup
squares
zines
bempp
advent calendar
crosswords
php
christmas
mathslogicbot
runge's phenomenon
countdown
crossnumbers
palindromes
final fantasy
bubble bobble
folding paper
24 hour maths
graphs
determinants
live stream
electromagnetic field
geogebra
craft
flexagons
football
computational complexity
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error bars
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golden ratio
guest posts
gaussian elimination
fractals
royal baby
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gerry anderson
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weak imposition
raspberry pi
dragon curves
folding tube maps
pizza cutting
video games
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rugby
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databet
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hexapawn
cross stitch
dataset
hannah fry
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frobel
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matrices
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sorting
wave scattering
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go
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regular expressions
kings
reddit
a gamut of games
chalkdust magazine
gather town
london
trigonometry
news
pi approximation day
programming
dinosaurs
talking maths in public
tmip
statistics
simultaneous equations
youtube
game show probability
chebyshev
probability
golden spiral
pi
mathsjam
matrix of cofactors
light
asteroids
games
approximation
graph theory
arithmetic
inverse matrices
sobolev spaces
signorini conditions
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misleading statistics
manchester science festival
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oeis
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friendly squares
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harriss spiral
platonic solids
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fence posts
hyperbolic surfaces
bodmas
turtles
stirling numbers
accuracy
london underground
pythagoras
crossnumber
logic
people maths
braiding
matt parker
matrix of minors
Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
2025
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
▼ show ▼
▲ hide ▲
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 5+e-φ+√2 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
mean
quadrilaterals
curvature
approximation
game show probability
youtube
matrix of minors
christmas
geogebra
logs
graphs
asteroids
mathsteroids
inline code
the aperiodical
sorting
go
programming
video games
games
captain scarlet
london underground
frobel
hats
php
speed
flexagons
national lottery
graph theory
crossnumber
wave scattering
craft
chebyshev
recursion
computational complexity
hyperbolic surfaces
fonts
ternary
correlation
kings
estimation
electromagnetic field
triangles
sobolev spaces
phd
royal institution
final fantasy
bots
mathslogicbot
determinants
radio 4
machine learning
pi approximation day
matt parker
draughts
countdown
inverse matrices
matrix multiplication
realhats
accuracy
advent calendar
palindromes
propositional calculus
matrix of cofactors
dataset
zines
data visualisation
nine men's morris
trigonometry
stickers
map projections
oeis
manchester science festival
a gamut of games
menace
finite element method
pizza cutting
probability
regular expressions
rugby
gerry anderson
tennis
24 hour maths
weak imposition
bempp
polynomials
puzzles
preconditioning
folding tube maps
bodmas
guest posts
datasaurus dozen
cross stitch
hannah fry
data
newcastle
runge's phenomenon
platonic solids
python
gaussian elimination
databet
talking maths in public
big internet math-off
logo
stirling numbers
friendly squares
football
statistics
boundary element methods
martin gardner
books
squares
misleading statistics
exponential growth
live stream
dates
arithmetic
reuleaux polygons
sound
bubble bobble
coins
golden ratio
latex
finite group
chalkdust magazine
game of life
fence posts
cambridge
dragon curves
reddit
weather station
wool
errors
pythagoras
people maths
light
fractals
crosswords
crossnumbers
turtles
standard deviation
harriss spiral
javascript
chess
convergence
interpolation
european cup
hexapawn
mathsjam
error bars
manchester
gather town
royal baby
anscombe's quartet
pac-man
tmip
numerical analysis
ucl
braiding
pascal's triangle
pi
world cup
raspberry pi
sport
signorini conditions
folding paper
golden spiral
london
simultaneous equations
geometry
christmas card
plastic ratio
numbers
news
logic
dinosaurs
matrices
noughts and crosses
crochet
edinburgh
rhombicuboctahedron
binary
© Matthew Scroggs 2012–2025
on /blog/36