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Comments in green were written by me. Comments in blue were not written by me.
2023-12-21
@
Robert Brady
: As day 9 suggests, not all the clues are necessarily true. The final three clues should help clear this up...
Matthew
on
/blog/107
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A bad Puzzle for Today
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Braiding, pt. 2
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Electromagnetic Field talk
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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Tube map Platonic solids, pt. 2
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Feb 2026
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2025
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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
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Dec 2023
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Christmas (2023) is coming!
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Sep 2023
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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!
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24 Hour Maths Game Show
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Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
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Dec 2021
Christmas card 2021
Nov 2021
Christmas (2021) is coming!
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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 -9+τφ 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
recursion
pi approximation day
weather station
curvature
video games
probability
bempp
royal baby
sound
plastic ratio
crossnumbers
pythagoras
countdown
rhombicuboctahedron
youtube
wordle
games
football
cambridge
dinosaurs
triangles
stickers
gaussian elimination
world cup
asteroids
runge's phenomenon
wave scattering
squares
latex
arrangement puzzles
mathslogicbot
captain scarlet
matrix of minors
databet
simultaneous equations
pokémon
tetris
computational complexity
machine learning
matrix of cofactors
mathsjam
logic
quadrilaterals
christmas card
hexapawn
draughts
turtles
christmas
finite group
wool
misleading statistics
rugby
european cup
advent calendar
phd
errors
thirteen
bodmas
reuleaux polygons
fence posts
cross stitch
stirling numbers
anscombe's quartet
matt parker
nonograms
numerical analysis
noughts and crosses
fractals
exponential growth
folding tube maps
trigonometry
the aperiodical
mathsteroids
warwick
menace
pokémon wordle
frobel
bots
dataset
game of life
oeis
braiding
javascript
arithmetic
programming
guest posts
inline code
golden ratio
accuracy
partridge puzzle
pac-man
golden spiral
matrix multiplication
dragon curves
folding paper
newcastle
dates
game show probability
talking maths in public
realhats
martin gardner
python
books
palindromes
crochet
data visualisation
hannah fry
php
estimation
go
mean
manchester science festival
flexagons
manchester
sobolev spaces
tmip
electromagnetic field
24 hour maths
hyperbolic surfaces
coins
pi
bluesky
gerry anderson
raspberry pi
friendly squares
standard deviation
convergence
kenilworth
logs
geogebra
edinburgh
correlation
approximation
interpolation
data
weak imposition
pizza cutting
reddit
harriss spiral
kings
coventry
finite element method
crosswords
error bars
preconditioning
pascal's triangle
alphabets
zines
platonic solids
chebyshev
statistics
gather town
london
rust
signorini conditions
chess
datasaurus dozen
logo
chalkdust magazine
ucl
matrices
boundary element methods
craft
map projections
ternary
bubble bobble
live stream
polynomials
nine men's morris
propositional calculus
puzzles
tennis
a gamut of games
inverse matrices
geometry
graph theory
sorting
radio 4
royal institution
big internet math-off
national lottery
crossnumber
light
determinants
hats
london underground
fonts
sport
numbers
regular expressions
speed
people maths
graphs
binary
news
final fantasy
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