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Comments in green were written by me. Comments in blue were not written by me.
2025-08-30
@
Chris B
: Oh never mind ???? I just went back there and found the correct way to move the squares. Duh, sorry!
(anonymous)
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/blog/119
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Assorted christmaths
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"Uncanny" royal coincidence
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Archive
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Feb 2026
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Christmas (2025) is coming!
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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
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Christmas (2023) is over
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Dec 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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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 -15+3τ-φ-√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
probability
anscombe's quartet
royal institution
sobolev spaces
cross stitch
matt parker
big internet math-off
pi
map projections
gaussian elimination
newcastle
pokémon
polynomials
games
python
advent calendar
crosswords
accuracy
pac-man
numbers
regular expressions
manchester
propositional calculus
databet
statistics
game of life
rugby
geogebra
rust
books
oeis
bodmas
bluesky
logs
nonograms
graphs
wool
alphabets
phd
national lottery
dragon curves
runge's phenomenon
chess
news
geometry
simultaneous equations
data
london
world cup
matrix multiplication
warwick
estimation
folding paper
binary
live stream
game show probability
platonic solids
final fantasy
stickers
recursion
pizza cutting
finite group
golden spiral
christmas
coins
matrix of cofactors
tetris
fractals
pascal's triangle
dataset
kings
chebyshev
convergence
exponential growth
golden ratio
mathsjam
flexagons
the aperiodical
thirteen
crossnumbers
gerry anderson
dates
php
folding tube maps
talking maths in public
crossnumber
plastic ratio
asteroids
sport
raspberry pi
preconditioning
reddit
computational complexity
speed
cambridge
hyperbolic surfaces
matrix of minors
palindromes
football
data visualisation
arithmetic
graph theory
countdown
curvature
captain scarlet
a gamut of games
bots
turtles
dinosaurs
noughts and crosses
radio 4
braiding
menace
coventry
mathslogicbot
ucl
partridge puzzle
gather town
guest posts
friendly squares
correlation
chalkdust magazine
24 hour maths
machine learning
arrangement puzzles
boundary element methods
squares
hannah fry
inverse matrices
hexapawn
interpolation
go
reuleaux polygons
pi approximation day
fence posts
wordle
latex
edinburgh
sorting
london underground
wave scattering
frobel
logic
numerical analysis
programming
misleading statistics
javascript
video games
tmip
harriss spiral
trigonometry
approximation
stirling numbers
electromagnetic field
zines
crochet
rhombicuboctahedron
logo
pokémon wordle
ternary
royal baby
triangles
draughts
quadrilaterals
errors
weak imposition
nine men's morris
mathsteroids
datasaurus dozen
bubble bobble
inline code
standard deviation
sound
youtube
fonts
tennis
hats
pythagoras
finite element method
martin gardner
manchester science festival
determinants
puzzles
kenilworth
realhats
christmas card
signorini conditions
bempp
craft
european cup
weather station
matrices
mean
light
error bars
people maths
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