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.
2017-12-15
Will all puzzle answers be 3 digit numbers? Today (15) I'm getting a much larger number but could be interpreting the puzzle wrong?
EliK
on
/blog/46
2017-12-15
@
EliK
: Yes, the puzzles should all give three digit answers. You must be misinterpreting today's puzzle...
Matthew
on
/blog/46
Archive
Show me a random blog post
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 -4+g-φ 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
go
countdown
simultaneous equations
london underground
hannah fry
news
python
noughts and crosses
pythagoras
squares
numerical analysis
coins
craft
draughts
binary
gerry anderson
platonic solids
mean
game of life
datasaurus dozen
reuleaux polygons
manchester
plastic ratio
tennis
php
martin gardner
wool
fractals
numbers
logic
misleading statistics
convergence
turtles
matrices
exponential growth
games
weak imposition
cambridge
inverse matrices
regular expressions
gather town
hats
trigonometry
ucl
nine men's morris
machine learning
finite group
dragon curves
determinants
palindromes
hyperbolic surfaces
approximation
anscombe's quartet
royal institution
dinosaurs
matrix multiplication
the aperiodical
bempp
oeis
flexagons
dataset
kings
inline code
polynomials
stirling numbers
logo
guest posts
wave scattering
manchester science festival
friendly squares
menace
pac-man
pascal's triangle
hexapawn
people maths
computational complexity
recursion
european cup
errors
geometry
final fantasy
zines
logs
statistics
sport
curvature
reddit
newcastle
game show probability
dates
runge's phenomenon
electromagnetic field
london
geogebra
national lottery
youtube
chalkdust magazine
frobel
mathsjam
video games
edinburgh
bubble bobble
rhombicuboctahedron
football
books
accuracy
gaussian elimination
harriss spiral
christmas
golden spiral
estimation
rugby
braiding
latex
asteroids
preconditioning
crosswords
crossnumbers
arithmetic
live stream
graphs
pi
crochet
standard deviation
bots
royal baby
matt parker
interpolation
chebyshev
raspberry pi
christmas card
big internet math-off
folding tube maps
programming
graph theory
mathslogicbot
puzzles
databet
phd
weather station
pizza cutting
sobolev spaces
speed
fonts
quadrilaterals
data
realhats
stickers
probability
crossnumber
signorini conditions
javascript
pi approximation day
matrix of cofactors
sound
captain scarlet
data visualisation
talking maths in public
24 hour maths
mathsteroids
finite element method
ternary
triangles
light
world cup
a gamut of games
radio 4
map projections
propositional calculus
chess
cross stitch
boundary element methods
correlation
sorting
tmip
matrix of minors
error bars
advent calendar
fence posts
bodmas
folding paper
golden ratio
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 -4+g-φ 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
christmas card
kings
pi approximation day
reuleaux polygons
python
computational complexity
draughts
electromagnetic field
pythagoras
video games
pizza cutting
matt parker
matrix of minors
runge's phenomenon
gaussian elimination
stirling numbers
curvature
youtube
bodmas
light
palindromes
turtles
news
football
crossnumbers
sorting
standard deviation
geogebra
pascal's triangle
european cup
menace
correlation
hats
interpolation
finite element method
sport
stickers
boundary element methods
sobolev spaces
machine learning
simultaneous equations
rugby
countdown
dataset
crosswords
errors
asteroids
anscombe's quartet
final fantasy
friendly squares
wool
php
zines
mathsjam
cambridge
crossnumber
bubble bobble
big internet math-off
hexapawn
weather station
fence posts
graphs
probability
inverse matrices
matrix of cofactors
hyperbolic surfaces
rhombicuboctahedron
24 hour maths
puzzles
exponential growth
propositional calculus
christmas
games
databet
oeis
datasaurus dozen
chebyshev
statistics
nine men's morris
signorini conditions
newcastle
logo
pac-man
game show probability
cross stitch
folding tube maps
determinants
ternary
weak imposition
bempp
dinosaurs
phd
tennis
sound
dates
martin gardner
london underground
graph theory
chess
live stream
gather town
noughts and crosses
quadrilaterals
bots
programming
radio 4
gerry anderson
frobel
royal institution
edinburgh
approximation
mathslogicbot
map projections
misleading statistics
plastic ratio
people maths
golden spiral
recursion
geometry
royal baby
advent calendar
accuracy
craft
golden ratio
talking maths in public
data
fonts
ucl
hannah fry
matrix multiplication
polynomials
world cup
realhats
numbers
folding paper
coins
trigonometry
inline code
error bars
numerical analysis
harriss spiral
wave scattering
arithmetic
fractals
captain scarlet
pi
mathsteroids
manchester
speed
logs
javascript
reddit
flexagons
logic
mean
binary
dragon curves
data visualisation
finite group
platonic solids
manchester science festival
triangles
squares
latex
matrices
estimation
convergence
books
crochet
regular expressions
preconditioning
raspberry pi
guest posts
chalkdust magazine
the aperiodical
game of life
go
london
national lottery
braiding
a gamut of games
tmip
© Matthew Scroggs 2012–2025
on /blog/46