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2020-01-02
Where did the coordinates for Wally come from? Are they meaningful, or are they just some random coordinates thrown together?
Michael T
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/blog/72
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Assorted christmaths
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"Uncanny" royal coincidence
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Archive
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2026
May 2026
World Cup stickers 2026
Apr 2026
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 ▼
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Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
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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
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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 -6+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
puzzles
matrix of minors
fonts
matrix of cofactors
dates
advent calendar
reddit
tmip
numerical analysis
curvature
dinosaurs
pi
sound
rhombicuboctahedron
matt parker
sobolev spaces
recursion
mathsteroids
inverse matrices
flexagons
bempp
hexapawn
london underground
oeis
programming
wave scattering
latex
rugby
signorini conditions
preconditioning
phd
cross stitch
geogebra
graph theory
bodmas
probability
weather station
quadrilaterals
polynomials
edinburgh
numbers
squares
anscombe's quartet
determinants
friendly squares
final fantasy
javascript
craft
geometry
chess
wordle
menace
rust
accuracy
palindromes
golden ratio
exponential growth
crossnumber
tennis
ternary
standard deviation
manchester
hyperbolic surfaces
graphs
estimation
people maths
machine learning
cambridge
christmas
inline code
zines
gaussian elimination
pi approximation day
hannah fry
trigonometry
runge's phenomenon
coins
simultaneous equations
boundary element methods
london
golden spiral
weak imposition
turtles
regular expressions
big internet math-off
propositional calculus
stirling numbers
pac-man
bubble bobble
finite group
kings
stickers
platonic solids
data
python
books
chalkdust magazine
thirteen
national lottery
sport
pokémon
electromagnetic field
captain scarlet
logo
24 hour maths
pizza cutting
interpolation
sorting
warwick
php
pascal's triangle
datasaurus dozen
map projections
arithmetic
harriss spiral
games
errors
folding tube maps
arrangement puzzles
nonograms
computational complexity
raspberry pi
royal institution
live stream
youtube
dragon curves
hats
coventry
talking maths in public
the aperiodical
bluesky
chebyshev
martin gardner
radio 4
kenilworth
data visualisation
braiding
partridge puzzle
game show probability
crochet
bots
mathsjam
pythagoras
approximation
matrices
video games
crosswords
fractals
gather town
gerry anderson
dataset
frobel
light
news
binary
asteroids
mathslogicbot
error bars
convergence
misleading statistics
logic
christmas card
go
fence posts
folding paper
logs
european cup
plastic ratio
matrix multiplication
a gamut of games
finite element method
realhats
reuleaux polygons
correlation
draughts
pokémon wordle
manchester science festival
countdown
tetris
guest posts
nine men's morris
world cup
ucl
alphabets
wool
databet
mean
crossnumbers
statistics
newcastle
game of life
royal baby
speed
triangles
football
noughts and crosses
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