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Comments in green were written by me. Comments in blue were not written by me.
2022-12-25
This was a lot of fun - thank you so much for the time and effort that went into this.
Each puzzle was tricky enough to require some thought, but not so tricky as to be discouraging.
Looking forward to next year already!
Si E
on
/blog/91
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Archive
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2024
Feb 2024
Zines, pt. 2
Jan 2024
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2023
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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
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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 ((4τ)-(π+g))-11 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
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▲ 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
datasaurus dozen
inline code
convergence
curvature
signorini conditions
go
martin gardner
chalkdust magazine
data visualisation
24 hour maths
fonts
ucl
machine learning
standard deviation
pizza cutting
geogebra
probability
plastic ratio
cambridge
matt parker
logs
databet
the aperiodical
matrix of minors
propositional calculus
statistics
sobolev spaces
final fantasy
london
manchester
rugby
finite group
hexapawn
bubble bobble
matrix of cofactors
gaussian elimination
runge's phenomenon
estimation
flexagons
inverse matrices
fractals
pascal's triangle
graphs
crochet
a gamut of games
zines
arithmetic
cross stitch
sound
craft
royal baby
guest posts
harriss spiral
trigonometry
mathslogicbot
radio 4
matrices
folding tube maps
christmas
game of life
logic
palindromes
royal institution
chebyshev
determinants
reuleaux polygons
captain scarlet
puzzles
turtles
computational complexity
oeis
pac-man
talking maths in public
news
stirling numbers
anscombe's quartet
dinosaurs
triangles
sorting
numbers
errors
newcastle
menace
python
php
graph theory
correlation
wave scattering
game show probability
hats
edinburgh
misleading statistics
raspberry pi
hyperbolic surfaces
mathsteroids
bempp
asteroids
countdown
advent calendar
pythagoras
matrix multiplication
mathsjam
dataset
world cup
electromagnetic field
golden spiral
tennis
gerry anderson
manchester science festival
weak imposition
coins
football
quadrilaterals
programming
speed
rhombicuboctahedron
ternary
pi approximation day
video games
boundary element methods
braiding
data
stickers
simultaneous equations
map projections
noughts and crosses
big internet math-off
accuracy
books
chess
recursion
logo
approximation
preconditioning
platonic solids
mean
polynomials
fence posts
dates
dragon curves
sport
youtube
squares
error bars
draughts
light
hannah fry
folding paper
crossnumber
finite element method
geometry
christmas card
exponential growth
numerical analysis
nine men's morris
latex
people maths
european cup
frobel
wool
national lottery
bodmas
tmip
london underground
reddit
realhats
weather station
pi
gather town
interpolation
phd
live stream
games
golden ratio
binary
javascript
Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
2024
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 ((4τ)-(π+g))-11 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
fractals
databet
reddit
christmas
datasaurus dozen
reuleaux polygons
pythagoras
24 hour maths
matrix of minors
folding paper
asteroids
matt parker
approximation
cambridge
machine learning
programming
talking maths in public
speed
nine men's morris
palindromes
royal institution
craft
pi approximation day
crossnumber
plastic ratio
matrix of cofactors
noughts and crosses
propositional calculus
electromagnetic field
polynomials
bodmas
trigonometry
hyperbolic surfaces
world cup
national lottery
fence posts
sound
wave scattering
tmip
martin gardner
finite group
hats
golden ratio
convergence
puzzles
dataset
simultaneous equations
accuracy
captain scarlet
weak imposition
data visualisation
logs
wool
graph theory
fonts
harriss spiral
the aperiodical
hannah fry
graphs
christmas card
preconditioning
edinburgh
pascal's triangle
turtles
london underground
interpolation
books
european cup
platonic solids
inline code
raspberry pi
advent calendar
football
people maths
frobel
stickers
signorini conditions
pizza cutting
london
manchester science festival
bubble bobble
correlation
statistics
exponential growth
realhats
manchester
weather station
countdown
light
bempp
mathsteroids
map projections
anscombe's quartet
quadrilaterals
hexapawn
inverse matrices
mean
numbers
gather town
data
errors
geogebra
dates
chalkdust magazine
numerical analysis
phd
determinants
matrices
geometry
probability
newcastle
news
standard deviation
rugby
chess
braiding
radio 4
php
misleading statistics
binary
mathslogicbot
oeis
runge's phenomenon
game of life
latex
youtube
ucl
go
tennis
mathsjam
javascript
finite element method
stirling numbers
folding tube maps
games
menace
flexagons
final fantasy
rhombicuboctahedron
logic
a gamut of games
error bars
matrix multiplication
python
big internet math-off
pac-man
curvature
gerry anderson
game show probability
live stream
computational complexity
recursion
coins
guest posts
dragon curves
estimation
cross stitch
zines
ternary
royal baby
sobolev spaces
pi
dinosaurs
crochet
boundary element methods
arithmetic
draughts
video games
triangles
chebyshev
squares
gaussian elimination
sorting
sport
logo
golden spiral
© Matthew Scroggs 2012–2024
Each puzzle was tricky enough to require some thought, but not so tricky as to be discouraging.
Looking forward to next year already!
on /blog/91