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2025-11-21
Thank You for the notification of this year's bounty from yourself.
Wish you a Merry Xmas and a Wonderful New Year !!!
Jim
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Chalkdust issue 17
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Logo Asteroids
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Mathsteroids on hyperbolic surfaces
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The databet
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Off-by-one errors
Christmas card 2022
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24 Hour Maths Game Show
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Approximating π
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Build your own MENACE
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Close encounters of the second kind
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2020
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Dec 2020
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Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -26+eg 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
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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
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2018
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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
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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
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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
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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
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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
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Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
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Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
Tags
dragon curves
mathsjam
stickers
crochet
wool
runge's phenomenon
christmas card
frobel
24 hour maths
ucl
folding paper
mathslogicbot
numerical analysis
pac-man
reddit
wordle
bubble bobble
estimation
fractals
gather town
databet
rugby
approximation
newcastle
plastic ratio
dinosaurs
propositional calculus
talking maths in public
hyperbolic surfaces
go
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weather station
hats
computational complexity
craft
nonograms
ternary
matrix multiplication
radio 4
wave scattering
logic
sorting
folding tube maps
braiding
inline code
electromagnetic field
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coventry
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noughts and crosses
sound
determinants
golden ratio
captain scarlet
raspberry pi
geogebra
triangles
convergence
people maths
polynomials
guest posts
matrix of cofactors
palindromes
games
data
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manchester science festival
thirteen
datasaurus dozen
harriss spiral
bots
game show probability
flexagons
news
logo
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friendly squares
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realhats
matrix of minors
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kings
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phd
a gamut of games
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logs
books
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bluesky
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dates
rust
errors
recursion
partridge puzzle
boundary element methods
chess
mathsteroids
tennis
sobolev spaces
nine men's morris
big internet math-off
gaussian elimination
kenilworth
latex
misleading statistics
curvature
asteroids
gerry anderson
golden spiral
tetris
simultaneous equations
royal baby
reuleaux polygons
london
finite element method
football
interpolation
pokémon wordle
accuracy
zines
preconditioning
geometry
quadrilaterals
data visualisation
cross stitch
live stream
statistics
fence posts
bempp
correlation
php
coins
regular expressions
matt parker
standard deviation
error bars
christmas
binary
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arrangement puzzles
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crosswords
advent calendar
bodmas
pizza cutting
world cup
anscombe's quartet
pythagoras
graphs
light
youtube
turtles
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oeis
puzzles
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manchester
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hexapawn
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stirling numbers
matrices
cambridge
sport
trigonometry
london underground
menace
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Archive
Show me a random blog post
▼ show ▼
▲ hide ▲
2026
May 2026
World Cup stickers 2026
Apr 2026
A new puzzle every day
Mixing Wordle with other games
Feb 2026
Christmas (2025) is over
2025
Dec 2025
Christmas card 2025
Nov 2025
Christmas (2025) is coming!
Sep 2025
The partridge puzzle
Aug 2025
TMiP 2025 puzzle hunt
Jun 2025
A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
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 -26+eg 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
mathsjam
numbers
dragon curves
approximation
weather station
hexapawn
edinburgh
phd
platonic solids
ucl
radio 4
geometry
ternary
chess
crossnumber
weak imposition
speed
manchester
pythagoras
bubble bobble
london
london underground
friendly squares
folding tube maps
guest posts
coventry
talking maths in public
hats
gather town
signorini conditions
partridge puzzle
mathsteroids
sobolev spaces
simultaneous equations
matrix of minors
chalkdust magazine
logs
light
bempp
golden spiral
live stream
go
nine men's morris
kenilworth
estimation
misleading statistics
propositional calculus
graph theory
frobel
correlation
databet
harriss spiral
php
countdown
nonograms
finite group
a gamut of games
rugby
dataset
gerry anderson
finite element method
thirteen
sorting
dinosaurs
final fantasy
probability
football
graphs
programming
errors
hyperbolic surfaces
reddit
puzzles
golden ratio
rhombicuboctahedron
exponential growth
games
zines
martin gardner
interpolation
draughts
kings
binary
wool
map projections
determinants
curvature
pokémon wordle
datasaurus dozen
royal baby
inverse matrices
turtles
arithmetic
raspberry pi
accuracy
logo
world cup
plastic ratio
national lottery
dates
quadrilaterals
cambridge
fence posts
matrix of cofactors
european cup
recursion
craft
stirling numbers
people maths
game show probability
mean
crossnumbers
video games
pi approximation day
manchester science festival
noughts and crosses
pi
realhats
christmas
latex
palindromes
flexagons
bluesky
machine learning
numerical analysis
sport
asteroids
tmip
boundary element methods
anscombe's quartet
wave scattering
game of life
folding paper
arrangement puzzles
triangles
polynomials
alphabets
menace
big internet math-off
error bars
data
crosswords
news
books
the aperiodical
gaussian elimination
advent calendar
python
24 hour maths
chebyshev
statistics
pac-man
bots
newcastle
hannah fry
crochet
matrix multiplication
pascal's triangle
convergence
stickers
squares
rust
tetris
javascript
bodmas
logic
electromagnetic field
pokémon
fonts
christmas card
oeis
inline code
sound
data visualisation
trigonometry
standard deviation
preconditioning
geogebra
matt parker
fractals
warwick
tennis
coins
wordle
braiding
pizza cutting
mathslogicbot
cross stitch
runge's phenomenon
computational complexity
youtube
matrices
regular expressions
captain scarlet
reuleaux polygons
royal institution
© Matthew Scroggs 2012–2026
Wish you a Merry Xmas and a Wonderful New Year !!!
on /blog/120