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Comments in green were written by me. Comments in blue were not written by me.
2021-01-03
@
JDev
: lots of the card will still be brown once you're done, but you should see a nice picture. Perhaps one of your answers is wrong, making a mess of the picture?
Matthew
on
/blog/87
×1
×1
×1
×1
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Assorted christmaths
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"Uncanny" royal coincidence
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Archive
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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 -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
interpolation
hexapawn
turtles
tennis
bodmas
a gamut of games
map projections
alphabets
crossnumbers
machine learning
light
numerical analysis
partridge puzzle
braiding
gerry anderson
wordle
determinants
graphs
tetris
plastic ratio
quadrilaterals
exponential growth
logic
coins
newcastle
youtube
live stream
convergence
matrix multiplication
raspberry pi
martin gardner
captain scarlet
geogebra
bubble bobble
pythagoras
mathslogicbot
datasaurus dozen
bempp
crossnumber
sobolev spaces
golden ratio
electromagnetic field
go
javascript
dragon curves
wave scattering
crosswords
pascal's triangle
royal baby
pac-man
video games
fonts
bluesky
golden spiral
php
christmas
polynomials
games
countdown
sound
thirteen
regular expressions
stickers
approximation
news
matt parker
data
pi approximation day
manchester
data visualisation
dates
folding paper
sport
ucl
matrices
books
mathsjam
kings
advent calendar
numbers
ternary
final fantasy
cambridge
christmas card
geometry
national lottery
asteroids
warwick
errors
hats
correlation
runge's phenomenon
signorini conditions
realhats
phd
finite element method
game show probability
pokémon wordle
hannah fry
london underground
statistics
anscombe's quartet
frobel
probability
game of life
dataset
mean
trigonometry
wool
estimation
matrix of minors
computational complexity
programming
mathsteroids
graph theory
logs
logo
speed
cross stitch
triangles
weak imposition
hyperbolic surfaces
european cup
rust
edinburgh
puzzles
craft
world cup
rugby
nonograms
finite group
draughts
tmip
kenilworth
rhombicuboctahedron
royal institution
fence posts
london
pi
harriss spiral
misleading statistics
chess
arrangement puzzles
simultaneous equations
chebyshev
bots
inline code
inverse matrices
manchester science festival
zines
arithmetic
big internet math-off
recursion
oeis
matrix of cofactors
friendly squares
error bars
radio 4
flexagons
accuracy
guest posts
platonic solids
python
propositional calculus
squares
reuleaux polygons
fractals
curvature
crochet
24 hour maths
pizza cutting
stirling numbers
binary
boundary element methods
noughts and crosses
sorting
people maths
weather station
preconditioning
gaussian elimination
palindromes
standard deviation
pokémon
football
nine men's morris
menace
latex
reddit
gather town
coventry
dinosaurs
folding tube maps
the aperiodical
talking maths in public
chalkdust magazine
databet
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