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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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Assorted christmaths
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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
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Zines, pt. 2
Jan 2024
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2023
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Chalkdust issue 17
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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
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
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Dec 2021
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Christmas (2021) is coming!
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TMiP 2021 puzzle hunt
May 2021
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Jan 2021
Christmas (2020) is over
2020
▼ show ▼
▲ hide ▲
Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -5+5φ+√2 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
friendly squares
hannah fry
world cup
noughts and crosses
regular expressions
football
ternary
edinburgh
quadrilaterals
reuleaux polygons
london
recursion
nine men's morris
crossnumber
bubble bobble
sobolev spaces
matrix of minors
phd
golden spiral
signorini conditions
advent calendar
light
rust
cross stitch
bots
pokémon wordle
puzzles
finite element method
tennis
stickers
wordle
bempp
machine learning
draughts
chess
wool
javascript
big internet math-off
matrix of cofactors
preconditioning
probability
books
crossnumbers
game of life
a gamut of games
php
flexagons
triangles
polynomials
datasaurus dozen
computational complexity
arrangement puzzles
craft
folding tube maps
gerry anderson
coventry
wave scattering
geogebra
dates
finite group
fence posts
chebyshev
pi
guest posts
numbers
live stream
estimation
pascal's triangle
graphs
mean
bodmas
gather town
european cup
approximation
rhombicuboctahedron
captain scarlet
graph theory
folding paper
mathsjam
latex
rugby
crochet
interpolation
the aperiodical
menace
pac-man
royal baby
curvature
realhats
news
statistics
christmas card
turtles
royal institution
fonts
manchester science festival
ucl
london underground
numerical analysis
talking maths in public
map projections
gaussian elimination
hats
logo
partridge puzzle
binary
reddit
inline code
go
simultaneous equations
sound
errors
mathslogicbot
asteroids
manchester
inverse matrices
weather station
squares
runge's phenomenon
accuracy
fractals
kings
pythagoras
hexapawn
matrix multiplication
newcastle
24 hour maths
chalkdust magazine
people maths
boundary element methods
dragon curves
tmip
game show probability
correlation
data
anscombe's quartet
geometry
games
standard deviation
raspberry pi
plastic ratio
misleading statistics
martin gardner
pizza cutting
cambridge
hyperbolic surfaces
stirling numbers
video games
determinants
braiding
electromagnetic field
exponential growth
databet
crosswords
radio 4
speed
sport
logic
zines
palindromes
pi approximation day
tetris
countdown
matt parker
sorting
nonograms
thirteen
python
propositional calculus
programming
weak imposition
warwick
convergence
matrices
frobel
christmas
harriss spiral
pokémon
trigonometry
national lottery
kenilworth
alphabets
bluesky
youtube
oeis
platonic solids
logs
dinosaurs
coins
error bars
arithmetic
golden ratio
data visualisation
final fantasy
mathsteroids
dataset
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