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.
2023-01-09
In question 3 the sum of the red numbers is 369, is there a typo?
(anonymous)
on
/blog/100
2023-01-09
@
(anonymous)
: There was a typo - I've just corrected it
Matthew
on
/blog/100
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 (√3ϕ)-1 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
ucl
plastic ratio
programming
finite group
people maths
pizza cutting
sorting
countdown
data visualisation
exponential growth
determinants
chebyshev
live stream
mathslogicbot
sport
databet
accuracy
chess
royal baby
youtube
realhats
numerical analysis
electromagnetic field
christmas card
raspberry pi
geometry
reuleaux polygons
final fantasy
radio 4
harriss spiral
dataset
finite element method
triangles
logic
trigonometry
computational complexity
golden ratio
martin gardner
bodmas
inline code
newcastle
crochet
bempp
bubble bobble
platonic solids
matrix of cofactors
draughts
pascal's triangle
matrix multiplication
data
python
statistics
dragon curves
christmas
datasaurus dozen
hyperbolic surfaces
palindromes
cambridge
guest posts
php
mathsjam
stickers
menace
sound
phd
braiding
reddit
simultaneous equations
approximation
news
hannah fry
runge's phenomenon
matrix of minors
convergence
gather town
pi
cross stitch
flexagons
boundary element methods
coins
fonts
graphs
pythagoras
golden spiral
london
folding tube maps
graph theory
hats
tmip
24 hour maths
oeis
quadrilaterals
wool
logs
fractals
machine learning
geogebra
standard deviation
advent calendar
binary
misleading statistics
folding paper
logo
rugby
london underground
latex
nine men's morris
gerry anderson
fence posts
correlation
polynomials
european cup
error bars
games
pac-man
rhombicuboctahedron
game of life
big internet math-off
light
captain scarlet
manchester
errors
estimation
game show probability
numbers
dinosaurs
probability
arithmetic
go
wave scattering
signorini conditions
map projections
national lottery
zines
interpolation
preconditioning
asteroids
squares
matrices
matt parker
puzzles
speed
noughts and crosses
weather station
inverse matrices
talking maths in public
crossnumber
frobel
royal institution
gaussian elimination
ternary
weak imposition
football
anscombe's quartet
turtles
sobolev spaces
mean
mathsteroids
edinburgh
hexapawn
craft
world cup
dates
books
tennis
a gamut of games
the aperiodical
chalkdust magazine
video games
stirling numbers
curvature
propositional calculus
recursion
manchester science festival
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 (√3ϕ)-1 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
chalkdust magazine
draughts
edinburgh
accuracy
preconditioning
game of life
logo
speed
interpolation
big internet math-off
bubble bobble
nine men's morris
advent calendar
a gamut of games
platonic solids
people maths
electromagnetic field
games
finite group
sorting
convergence
wool
chebyshev
books
captain scarlet
data
bodmas
determinants
reuleaux polygons
christmas card
asteroids
dates
national lottery
go
rugby
weak imposition
numerical analysis
chess
menace
puzzles
numbers
harriss spiral
ternary
cross stitch
error bars
inline code
countdown
correlation
estimation
matrix multiplication
craft
mean
pascal's triangle
radio 4
wave scattering
bempp
dinosaurs
computational complexity
pac-man
tennis
london underground
weather station
guest posts
news
dataset
graphs
christmas
gerry anderson
hexapawn
standard deviation
folding paper
probability
hannah fry
finite element method
gaussian elimination
hats
talking maths in public
matrix of cofactors
geometry
pizza cutting
matrices
quadrilaterals
python
24 hour maths
triangles
final fantasy
exponential growth
live stream
noughts and crosses
zines
polynomials
mathslogicbot
fractals
pi
machine learning
crossnumber
rhombicuboctahedron
reddit
gather town
football
boundary element methods
sport
newcastle
programming
cambridge
palindromes
pi approximation day
flexagons
stirling numbers
latex
light
hyperbolic surfaces
errors
geogebra
databet
sound
game show probability
manchester
realhats
world cup
datasaurus dozen
arithmetic
fence posts
video games
recursion
london
graph theory
plastic ratio
signorini conditions
javascript
fonts
simultaneous equations
pythagoras
european cup
turtles
sobolev spaces
inverse matrices
squares
logs
stickers
phd
trigonometry
oeis
tmip
logic
dragon curves
php
ucl
royal institution
martin gardner
raspberry pi
misleading statistics
crochet
youtube
map projections
golden ratio
data visualisation
binary
coins
mathsteroids
curvature
matt parker
approximation
folding tube maps
the aperiodical
anscombe's quartet
propositional calculus
royal baby
statistics
golden spiral
frobel
mathsjam
braiding
runge's phenomenon
matrix of minors
manchester science festival
© Matthew Scroggs 2012–2024
on /blog/100