mscroggs
.co.uk
mscroggs
.co.uk
blog
puzzles
academic
talks
contact
subscribe
subscribe
Loading image...
Comment
Comments
Comments in green were written by me. Comments in blue were not written by me.
2019-12-22
Is it possible to send answers for checking on the website like last year, to find out how many are correct?
Reza
on
/blog/69
2019-12-22
@
Reza
: Yes, that information will appear below the Advent calendar on Christmas Eve.
Matthew
on
/blog/69
Archive
Show me a random blog post
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 ((τ-e)+(2ϕ))-6 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
triangles
mathsteroids
folding tube maps
oeis
talking maths in public
golden ratio
anscombe's quartet
pac-man
golden spiral
world cup
draughts
braiding
geogebra
programming
polynomials
finite group
exponential growth
reddit
game show probability
football
statistics
recursion
wave scattering
fractals
computational complexity
martin gardner
dates
final fantasy
bodmas
hannah fry
youtube
pi
weak imposition
go
bempp
inline code
a gamut of games
map projections
realhats
accuracy
wool
crossnumber
quadrilaterals
the aperiodical
numerical analysis
runge's phenomenon
sport
logs
ucl
logo
cross stitch
matrices
flexagons
european cup
weather station
christmas card
matrix of cofactors
fonts
bubble bobble
tennis
speed
menace
london underground
inverse matrices
mathslogicbot
errors
pythagoras
error bars
reuleaux polygons
guest posts
puzzles
london
pizza cutting
mean
datasaurus dozen
convergence
dinosaurs
sound
correlation
turtles
approximation
edinburgh
probability
dataset
royal institution
platonic solids
misleading statistics
craft
mathsjam
estimation
php
crochet
plastic ratio
people maths
pi approximation day
arithmetic
tmip
christmas
light
raspberry pi
simultaneous equations
gerry anderson
chalkdust magazine
frobel
preconditioning
zines
rhombicuboctahedron
signorini conditions
binary
radio 4
national lottery
gather town
logic
squares
python
cambridge
determinants
news
machine learning
books
dragon curves
video games
rugby
geometry
ternary
electromagnetic field
manchester
boundary element methods
sorting
javascript
phd
standard deviation
big internet math-off
folding paper
databet
latex
games
interpolation
live stream
game of life
chess
noughts and crosses
advent calendar
data visualisation
curvature
24 hour maths
propositional calculus
hyperbolic surfaces
pascal's triangle
stickers
asteroids
matt parker
sobolev spaces
matrix of minors
numbers
finite element method
hexapawn
trigonometry
stirling numbers
data
royal baby
gaussian elimination
countdown
graph theory
fence posts
nine men's morris
hats
matrix multiplication
manchester science festival
chebyshev
newcastle
palindromes
graphs
harriss spiral
coins
captain scarlet
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 ((τ-e)+(2ϕ))-6 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
martin gardner
pizza cutting
python
fractals
platonic solids
christmas card
wave scattering
numerical analysis
map projections
crossnumber
the aperiodical
weather station
fonts
pi approximation day
big internet math-off
ternary
mean
speed
cross stitch
hexapawn
newcastle
ucl
draughts
dataset
accuracy
flexagons
matrix multiplication
gerry anderson
reuleaux polygons
zines
gather town
pac-man
european cup
hannah fry
folding tube maps
a gamut of games
databet
statistics
graph theory
go
arithmetic
cambridge
puzzles
noughts and crosses
misleading statistics
london underground
estimation
pi
royal institution
edinburgh
php
craft
finite group
matt parker
game of life
golden spiral
logo
weak imposition
frobel
national lottery
raspberry pi
hyperbolic surfaces
palindromes
triangles
matrices
determinants
fence posts
manchester
crochet
rugby
signorini conditions
standard deviation
chebyshev
folding paper
asteroids
harriss spiral
final fantasy
sorting
probability
manchester science festival
rhombicuboctahedron
inline code
logic
wool
bempp
correlation
live stream
realhats
mathsteroids
propositional calculus
mathsjam
bodmas
chalkdust magazine
stickers
finite element method
light
simultaneous equations
24 hour maths
javascript
runge's phenomenon
matrix of cofactors
programming
pascal's triangle
electromagnetic field
errors
london
video games
braiding
mathslogicbot
sound
tmip
sport
books
quadrilaterals
preconditioning
sobolev spaces
graphs
polynomials
data visualisation
geogebra
anscombe's quartet
pythagoras
news
squares
curvature
plastic ratio
phd
game show probability
approximation
tennis
football
error bars
inverse matrices
latex
guest posts
world cup
advent calendar
recursion
geometry
menace
convergence
royal baby
captain scarlet
logs
exponential growth
chess
computational complexity
radio 4
datasaurus dozen
dinosaurs
data
coins
bubble bobble
youtube
reddit
interpolation
binary
countdown
stirling numbers
turtles
trigonometry
numbers
talking maths in public
boundary element methods
dragon curves
oeis
people maths
nine men's morris
hats
games
christmas
gaussian elimination
dates
machine learning
matrix of minors
golden ratio
© Matthew Scroggs 2012–2024
on /blog/69