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2021-12-20
Huh! Today's clue gave enough info to bring the possibilities down to bruteforceable levels... and the second attempt worked!
Alex2
on
/blog/91
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Assorted christmaths
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"Uncanny" royal coincidence
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Archive
Show me a random blog post
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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
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 ▼
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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 -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
trigonometry
tetris
fractals
cambridge
crosswords
errors
hyperbolic surfaces
correlation
geometry
palindromes
final fantasy
go
platonic solids
standard deviation
ternary
geogebra
game of life
crossnumbers
approximation
hannah fry
sorting
matrix of minors
datasaurus dozen
realhats
zines
stirling numbers
bempp
royal institution
propositional calculus
kenilworth
mathslogicbot
inline code
youtube
error bars
matt parker
phd
a gamut of games
python
graph theory
european cup
bots
noughts and crosses
countdown
manchester
wordle
fence posts
hexapawn
mathsjam
chalkdust magazine
thirteen
pi approximation day
curvature
php
databet
graphs
dinosaurs
kings
royal baby
london underground
preconditioning
folding paper
logic
mean
martin gardner
talking maths in public
fonts
pac-man
partridge puzzle
friendly squares
data
data visualisation
pythagoras
gerry anderson
big internet math-off
braiding
tennis
weak imposition
wool
crossnumber
rust
crochet
probability
regular expressions
weather station
menace
reuleaux polygons
boundary element methods
interpolation
squares
nine men's morris
light
games
matrices
coventry
logs
machine learning
mathsteroids
news
rugby
craft
wave scattering
inverse matrices
dates
quadrilaterals
christmas
pizza cutting
oeis
guest posts
simultaneous equations
runge's phenomenon
raspberry pi
books
anscombe's quartet
tmip
sound
latex
london
draughts
world cup
bluesky
christmas card
rhombicuboctahedron
statistics
gather town
game show probability
finite group
cross stitch
matrix of cofactors
arrangement puzzles
video games
bubble bobble
chebyshev
electromagnetic field
warwick
exponential growth
edinburgh
coins
speed
pokémon
pi
captain scarlet
gaussian elimination
turtles
triangles
computational complexity
manchester science festival
people maths
dataset
nonograms
ucl
logo
puzzles
newcastle
polynomials
bodmas
misleading statistics
convergence
programming
numbers
the aperiodical
estimation
determinants
asteroids
reddit
pokémon wordle
24 hour maths
live stream
recursion
golden spiral
javascript
stickers
harriss spiral
sport
dragon curves
map projections
national lottery
pascal's triangle
signorini conditions
frobel
alphabets
folding tube maps
football
advent calendar
matrix multiplication
sobolev spaces
arithmetic
accuracy
numerical analysis
finite element method
binary
plastic ratio
golden ratio
flexagons
chess
hats
radio 4
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