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2023-12-09
The clue for today's puzzle just made everything make way more sense.
Seth Cohen
on
/blog/107
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Assorted christmaths
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Jun 2025
A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
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A regular expression Christmas puzzle
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Zines, pt. 2
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Logo Asteroids
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Mathsteroids on hyperbolic surfaces
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The databet
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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
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Approximating π
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Build your own MENACE
Jan 2022
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Dec 2021
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Nov 2021
Christmas (2021) is coming!
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TMiP 2021 puzzle hunt
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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 -3+π√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
frobel
electromagnetic field
harriss spiral
matrix of cofactors
accuracy
pac-man
golden ratio
ucl
asteroids
geogebra
dataset
folding paper
javascript
error bars
fractals
royal baby
sport
databet
pokémon wordle
guest posts
fonts
quadrilaterals
light
estimation
edinburgh
partridge puzzle
rugby
determinants
sorting
pi
trigonometry
cross stitch
christmas card
royal institution
kings
datasaurus dozen
christmas
chebyshev
newcastle
machine learning
alphabets
wordle
matrix multiplication
wool
football
programming
chalkdust magazine
coventry
anscombe's quartet
matrix of minors
matrices
convergence
youtube
pokémon
tetris
chess
platonic solids
stickers
pi approximation day
plastic ratio
craft
go
world cup
pascal's triangle
game of life
dinosaurs
gaussian elimination
statistics
preconditioning
geometry
simultaneous equations
friendly squares
computational complexity
game show probability
boundary element methods
reuleaux polygons
php
final fantasy
propositional calculus
hannah fry
tmip
martin gardner
realhats
tennis
pizza cutting
inline code
news
live stream
interpolation
bempp
mean
weak imposition
nine men's morris
probability
kenilworth
hexapawn
bots
latex
people maths
regular expressions
recursion
puzzles
bluesky
mathsteroids
national lottery
logic
london
talking maths in public
data visualisation
stirling numbers
a gamut of games
polynomials
approximation
manchester science festival
24 hour maths
turtles
hyperbolic surfaces
crossnumber
logo
dragon curves
crochet
noughts and crosses
warwick
captain scarlet
rust
standard deviation
coins
sound
numerical analysis
errors
countdown
bodmas
finite element method
gather town
exponential growth
correlation
matt parker
flexagons
crosswords
pythagoras
weather station
video games
golden spiral
folding tube maps
cambridge
triangles
books
big internet math-off
inverse matrices
squares
binary
logs
runge's phenomenon
zines
numbers
mathslogicbot
rhombicuboctahedron
crossnumbers
speed
reddit
raspberry pi
graphs
phd
wave scattering
radio 4
bubble bobble
london underground
signorini conditions
sobolev spaces
fence posts
data
map projections
misleading statistics
mathsjam
dates
thirteen
european cup
manchester
advent calendar
finite group
the aperiodical
arithmetic
ternary
braiding
draughts
hats
gerry anderson
oeis
menace
nonograms
graph theory
palindromes
python
games
curvature
arrangement puzzles
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