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Comments in green were written by me. Comments in blue were not written by me.
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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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
Jan 2024
Christmas (2023) is over
2023
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Dec 2023
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Christmas (2023) is coming!
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Chalkdust issue 17
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Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
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2022
▼ show ▼
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Dec 2022
Off-by-one errors
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Nov 2022
Christmas (2022) is coming!
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24 Hour Maths Game Show
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Approximating π
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Build your own MENACE
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Christmas (2021) is coming!
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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
draughts
map projections
bodmas
frobel
rhombicuboctahedron
advent calendar
gerry anderson
inline code
matrix multiplication
national lottery
javascript
squares
puzzles
runge's phenomenon
friendly squares
chebyshev
mathsjam
palindromes
tmip
thirteen
martin gardner
bluesky
alphabets
mean
numerical analysis
triangles
estimation
final fantasy
matrix of minors
boundary element methods
mathsteroids
gather town
people maths
go
menace
coins
coventry
crosswords
captain scarlet
chess
dragon curves
reuleaux polygons
pi
turtles
wave scattering
realhats
warwick
christmas
graphs
reddit
pythagoras
weak imposition
guest posts
wool
countdown
signorini conditions
hannah fry
radio 4
matt parker
interpolation
pi approximation day
kings
newcastle
weather station
christmas card
folding paper
royal institution
folding tube maps
dinosaurs
pascal's triangle
nine men's morris
speed
world cup
data visualisation
logic
curvature
datasaurus dozen
regular expressions
oeis
youtube
inverse matrices
trigonometry
geogebra
european cup
electromagnetic field
big internet math-off
pokémon wordle
rugby
manchester
sport
noughts and crosses
machine learning
recursion
24 hour maths
pokémon
raspberry pi
sobolev spaces
hats
stickers
pac-man
sorting
accuracy
databet
determinants
live stream
preconditioning
video games
error bars
crossnumbers
gaussian elimination
football
statistics
rust
dataset
fonts
golden ratio
the aperiodical
sound
geometry
pizza cutting
tennis
numbers
data
convergence
a gamut of games
mathslogicbot
bempp
chalkdust magazine
cross stitch
tetris
logo
arrangement puzzles
braiding
ucl
light
wordle
latex
finite group
quadrilaterals
platonic solids
golden spiral
correlation
approximation
python
fractals
propositional calculus
game show probability
nonograms
logs
simultaneous equations
phd
zines
kenilworth
fence posts
crochet
finite element method
london
computational complexity
polynomials
cambridge
exponential growth
books
matrices
programming
binary
php
bubble bobble
misleading statistics
arithmetic
dates
anscombe's quartet
talking maths in public
crossnumber
graph theory
hexapawn
royal baby
games
errors
flexagons
harriss spiral
manchester science festival
london underground
matrix of cofactors
bots
plastic ratio
craft
game of life
asteroids
partridge puzzle
news
edinburgh
probability
standard deviation
hyperbolic surfaces
stirling numbers
ternary
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