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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
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Approximating π
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Happy 1+sin(φ) Approximation Day!
May 2020
A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
Log-scaled axes
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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
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Visualising MENACE's learning
Christmas card 2019
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A non-converging LaTeX document
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Jul 2019
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Proving a conjecture
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Harriss and other spirals
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realhats
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Christmas cross stitch
MENACE in fiction
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Runge's Phenomenon
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World Cup stickers 2018, pt. 3
Mathsteroids
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World Cup stickers 2018, pt. 2
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A bad Puzzle for Today
Apr 2018
Building MENACEs for other games
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A 20,000-to-1 baby?
World Cup stickers 2018
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Origins of World War I
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Big Ben Strikes Again
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The end of coins of constant width
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The importance of estimation error
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Is MEDUSA the new BODMAS?
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Logical contradictions
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Tube map kaleidocycles
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Solving the cross diagonal cover problem
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Braiding, pt. 2
Braiding, pt. 1
Making names in Life
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Euro 2016 stickers
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Proving Pythagoras' theorem
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Optimal Pac-Man
Tube map stellated rhombicuboctahedron
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Design your own flexagon
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Tube map Platonic solids, pt. 3
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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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Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
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Tube map Platonic solids, pt. 2
Oct 2012
Tube map Platonic solids
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Archive
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A nonogram alphabet
Mar 2025
How to write a crossnumber
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Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
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Zines, pt. 2
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2023
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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 ▼
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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
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Dec 2021
Christmas card 2021
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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 ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy 1+sin(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
london
platonic solids
mathslogicbot
christmas card
chalkdust magazine
captain scarlet
asteroids
24 hour maths
misleading statistics
map projections
errors
matt parker
light
christmas
nine men's morris
accuracy
pascal's triangle
arithmetic
phd
pythagoras
manchester
draughts
sport
rhombicuboctahedron
dataset
pizza cutting
cross stitch
chess
inverse matrices
standard deviation
video games
error bars
stirling numbers
nonograms
trigonometry
stickers
radio 4
correlation
flexagons
fractals
geogebra
golden ratio
manchester science festival
ternary
quadrilaterals
weather station
talking maths in public
news
bots
harriss spiral
hannah fry
tmip
countdown
preconditioning
squares
exponential growth
pi approximation day
plastic ratio
live stream
regular expressions
craft
gaussian elimination
raspberry pi
friendly squares
propositional calculus
folding tube maps
books
hyperbolic surfaces
weak imposition
crossnumber
matrices
bempp
sobolev spaces
alphabets
numerical analysis
reddit
data visualisation
graph theory
logic
guest posts
kings
european cup
sorting
coins
geometry
world cup
mathsjam
matrix multiplication
programming
fence posts
pi
game show probability
curvature
rugby
a gamut of games
simultaneous equations
noughts and crosses
edinburgh
databet
matrix of minors
the aperiodical
frobel
oeis
bubble bobble
football
gather town
probability
menace
computational complexity
mean
palindromes
machine learning
electromagnetic field
crossnumbers
determinants
python
royal baby
anscombe's quartet
wave scattering
hexapawn
estimation
final fantasy
polynomials
graphs
runge's phenomenon
turtles
chebyshev
national lottery
advent calendar
mathsteroids
speed
reuleaux polygons
binary
games
boundary element methods
statistics
finite element method
sound
crochet
signorini conditions
london underground
dinosaurs
recursion
zines
royal institution
bodmas
golden spiral
tennis
puzzles
data
triangles
folding paper
ucl
fonts
inline code
go
javascript
youtube
dates
realhats
gerry anderson
wool
dragon curves
big internet math-off
convergence
logo
braiding
people maths
martin gardner
game of life
php
finite group
numbers
matrix of cofactors
pac-man
datasaurus dozen
cambridge
crosswords
hats
logs
approximation
interpolation
latex
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© Matthew Scroggs 2012–2025
on /blog/69