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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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A surprising fact about quadrilaterals
Interesting tautologies
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Log-scaled axes
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PhD thesis, chapter ∞
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Inverting a matrix
PhD thesis, chapter 2
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PhD thesis, chapter 1
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A non-converging LaTeX document
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Proving a conjecture
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Harriss and other spirals
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Runge's Phenomenon
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A bad Puzzle for Today
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Building MENACEs for other games
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A 20,000-to-1 baby?
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Origins of World War I
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Big Ben Strikes Again
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The importance of estimation error
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Solving the cross diagonal cover problem
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Braiding, pt. 2
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Making names in Life
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Proving Pythagoras' theorem
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Optimal Pac-Man
Tube map stellated rhombicuboctahedron
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Electromagnetic Field talk
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Tennis maths
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Countdown probability, pt. 2
Countdown probability
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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
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Tube map Platonic solids, pt. 2
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Tube map Platonic solids
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Archive
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2026
May 2026
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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 -62+e+gτ-√3 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
alphabets
databet
stirling numbers
rhombicuboctahedron
live stream
javascript
golden ratio
youtube
sorting
reddit
world cup
squares
newcastle
national lottery
exponential growth
misleading statistics
folding paper
polynomials
turtles
stickers
pokémon
countdown
geogebra
nonograms
crossnumber
the aperiodical
convergence
quadrilaterals
determinants
pokémon wordle
pac-man
ucl
kings
european cup
braiding
bempp
bodmas
signorini conditions
approximation
logo
arithmetic
christmas
regular expressions
weather station
mathslogicbot
data visualisation
dinosaurs
crosswords
zines
interpolation
kenilworth
coins
manchester
simultaneous equations
correlation
asteroids
noughts and crosses
realhats
draughts
video games
rust
royal baby
numbers
matrices
christmas card
datasaurus dozen
edinburgh
finite element method
mathsjam
matrix of minors
matt parker
hexapawn
data
captain scarlet
statistics
chebyshev
map projections
go
graph theory
wordle
light
cross stitch
weak imposition
24 hour maths
hannah fry
oeis
graphs
frobel
crossnumbers
programming
preconditioning
news
fence posts
menace
books
curvature
dataset
sport
gerry anderson
martin gardner
wave scattering
partridge puzzle
final fantasy
estimation
gather town
london
hats
game show probability
ternary
sobolev spaces
pizza cutting
chalkdust magazine
royal institution
friendly squares
rugby
wool
bluesky
palindromes
inline code
inverse matrices
puzzles
trigonometry
fractals
manchester science festival
pascal's triangle
pi approximation day
bubble bobble
propositional calculus
logs
flexagons
reuleaux polygons
a gamut of games
geometry
crochet
tennis
matrix multiplication
runge's phenomenon
accuracy
boundary element methods
plastic ratio
probability
mathsteroids
pi
golden spiral
numerical analysis
bots
dragon curves
anscombe's quartet
thirteen
binary
sound
gaussian elimination
python
finite group
computational complexity
error bars
warwick
latex
raspberry pi
craft
standard deviation
dates
electromagnetic field
people maths
php
phd
fonts
recursion
tmip
radio 4
football
arrangement puzzles
game of life
tetris
triangles
platonic solids
pythagoras
machine learning
games
harriss spiral
cambridge
mean
hyperbolic surfaces
coventry
speed
talking maths in public
guest posts
advent calendar
matrix of cofactors
logic
folding tube maps
london underground
chess
errors
nine men's morris
big internet math-off
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on /blog/69