mscroggs
.co.uk
mscroggs
.co.uk
blog
puzzles
academic
talks
contact
subscribe
Click here to win
prizes
by solving the
mscroggs.co.uk
puzzle Advent calendar.
Click here to win
prizes
by solving the
mscroggs.co.uk
puzzle Advent calendar.
subscribe
Loading image...
Comment
Comments
Comments in green were written by me. Comments in blue were not written by me.
2016-12-12
I think problem 5 needs clarification. By numbers, you mean positive integers? Does the sum just consisting of the number 35 count? Are these ordered or unordered sums?
Thank you for all your hard work on this, it's a lot of fun.
Mike
on
/blog/36
2016-12-13
@
Mike
: I've added a clarification to puzzle 5. Glad you're enjoying the puzzles!
Matthew
on
/blog/36
Archive
Show me a random blog post
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 (g-e)-5 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
palindromes
curvature
error bars
preconditioning
frobel
final fantasy
computational complexity
matrix multiplication
mathslogicbot
raspberry pi
fence posts
convergence
reuleaux polygons
dataset
geometry
radio 4
dates
crochet
manchester science festival
gerry anderson
european cup
flexagons
a gamut of games
data
inverse matrices
countdown
newcastle
exponential growth
signorini conditions
asteroids
stickers
numerical analysis
craft
matrix of cofactors
platonic solids
squares
interpolation
sorting
pi
trigonometry
statistics
anscombe's quartet
hats
hannah fry
weak imposition
tmip
plastic ratio
matt parker
correlation
football
harriss spiral
matrices
captain scarlet
inline code
light
live stream
probability
the aperiodical
boundary element methods
cross stitch
mathsjam
finite element method
weather station
braiding
javascript
martin gardner
zines
stirling numbers
people maths
mathsteroids
ucl
reddit
pi approximation day
errors
chebyshev
draughts
turtles
folding tube maps
talking maths in public
rhombicuboctahedron
electromagnetic field
fractals
gather town
quadrilaterals
machine learning
go
datasaurus dozen
news
databet
graph theory
simultaneous equations
crossnumber
geogebra
logo
youtube
edinburgh
folding paper
standard deviation
pac-man
logs
national lottery
manchester
binary
approximation
matrix of minors
bubble bobble
realhats
games
hexapawn
royal institution
game of life
world cup
data visualisation
guest posts
video games
tennis
oeis
fonts
game show probability
php
golden ratio
london
london underground
nine men's morris
map projections
triangles
speed
noughts and crosses
latex
sound
finite group
christmas
hyperbolic surfaces
chess
phd
royal baby
estimation
ternary
golden spiral
advent calendar
graphs
cambridge
rugby
polynomials
pascal's triangle
accuracy
runge's phenomenon
misleading statistics
gaussian elimination
programming
christmas card
puzzles
propositional calculus
big internet math-off
dinosaurs
menace
coins
wool
24 hour maths
logic
numbers
sobolev spaces
bodmas
mean
books
sport
pizza cutting
arithmetic
wave scattering
dragon curves
determinants
recursion
chalkdust magazine
pythagoras
bempp
python
Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
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 (g-e)-5 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
statistics
flexagons
noughts and crosses
determinants
menace
correlation
finite group
matrix of minors
wave scattering
matrix multiplication
datasaurus dozen
boundary element methods
raspberry pi
coins
talking maths in public
fractals
errors
php
ucl
fence posts
mathslogicbot
preconditioning
video games
reuleaux polygons
newcastle
golden spiral
martin gardner
tennis
palindromes
sobolev spaces
games
mathsjam
golden ratio
bodmas
game show probability
football
error bars
misleading statistics
logic
graphs
runge's phenomenon
pi approximation day
turtles
folding paper
phd
dinosaurs
sport
ternary
gather town
recursion
plastic ratio
mean
exponential growth
draughts
stickers
geogebra
dataset
curvature
pizza cutting
countdown
christmas card
realhats
final fantasy
harriss spiral
tmip
graph theory
chebyshev
geometry
computational complexity
weak imposition
data visualisation
the aperiodical
live stream
interpolation
speed
approximation
numerical analysis
dates
rhombicuboctahedron
logo
chalkdust magazine
pac-man
trigonometry
standard deviation
gerry anderson
weather station
cross stitch
oeis
programming
crossnumber
latex
manchester science festival
chess
nine men's morris
frobel
squares
bempp
puzzles
national lottery
mathsteroids
javascript
reddit
logs
news
a gamut of games
propositional calculus
stirling numbers
bubble bobble
edinburgh
pi
finite element method
electromagnetic field
sorting
databet
polynomials
youtube
numbers
radio 4
24 hour maths
machine learning
people maths
captain scarlet
light
map projections
london
guest posts
london underground
crochet
matrices
hexapawn
binary
big internet math-off
hannah fry
probability
royal baby
braiding
matrix of cofactors
fonts
cambridge
game of life
quadrilaterals
python
inverse matrices
asteroids
anscombe's quartet
pythagoras
inline code
royal institution
advent calendar
arithmetic
go
pascal's triangle
zines
sound
dragon curves
estimation
hats
signorini conditions
matt parker
folding tube maps
european cup
accuracy
world cup
wool
craft
hyperbolic surfaces
data
manchester
rugby
christmas
convergence
triangles
gaussian elimination
simultaneous equations
platonic solids
books
© Matthew Scroggs 2012–2024
Thank you for all your hard work on this, it's a lot of fun.
on /blog/36