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Comments in green were written by me. Comments in blue were not written by me.
2023-12-31
Thank you Matthew. 23rd was my favourite puzzle as the cuisenaire rods helped me and I worked with my son to get a final answer. Happy New Year.
Jenny
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Log-scaled axes
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PhD thesis, chapter ∞
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PhD thesis, chapter 1
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A non-converging LaTeX document
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A bad Puzzle for Today
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Big Ben Strikes Again
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The importance of estimation error
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Braiding, pt. 2
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Making names in Life
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Proving Pythagoras' theorem
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Optimal Pac-Man
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Countdown probability, pt. 2
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New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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Tube map Platonic solids, pt. 2
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Tube map Platonic solids
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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
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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 ▼
▲ 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 -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
rugby
logo
arrangement puzzles
logs
misleading statistics
folding tube maps
crossnumbers
golden ratio
folding paper
numerical analysis
triangles
sound
wool
mathsteroids
php
big internet math-off
sobolev spaces
trigonometry
convergence
stirling numbers
wordle
royal institution
go
live stream
matt parker
radio 4
chalkdust magazine
christmas
preconditioning
electromagnetic field
computational complexity
finite element method
partridge puzzle
cambridge
standard deviation
errors
youtube
kings
inverse matrices
dates
bodmas
london underground
boundary element methods
harriss spiral
python
fonts
kenilworth
oeis
zines
martin gardner
football
coventry
news
crossnumber
sport
pi
a gamut of games
correlation
world cup
bempp
hyperbolic surfaces
phd
manchester
royal baby
weather station
hexapawn
rust
cross stitch
curvature
numbers
gather town
nine men's morris
matrices
plastic ratio
advent calendar
palindromes
bubble bobble
arithmetic
statistics
chess
speed
javascript
matrix of minors
braiding
pokémon wordle
turtles
pascal's triangle
polynomials
matrix multiplication
quadrilaterals
reddit
map projections
dragon curves
finite group
tetris
machine learning
inline code
matrix of cofactors
pac-man
final fantasy
pokémon
people maths
regular expressions
accuracy
logic
talking maths in public
programming
ucl
golden spiral
mathsjam
newcastle
realhats
draughts
puzzles
mean
databet
games
raspberry pi
flexagons
platonic solids
nonograms
menace
tmip
pi approximation day
runge's phenomenon
frobel
error bars
data
mathslogicbot
graphs
reuleaux polygons
interpolation
rhombicuboctahedron
london
hannah fry
squares
hats
ternary
dinosaurs
graph theory
national lottery
gerry anderson
weak imposition
geometry
recursion
manchester science festival
alphabets
latex
chebyshev
pizza cutting
wave scattering
craft
crosswords
european cup
fractals
probability
warwick
thirteen
light
captain scarlet
dataset
guest posts
countdown
coins
gaussian elimination
sorting
data visualisation
christmas card
stickers
friendly squares
24 hour maths
estimation
binary
books
video games
game show probability
signorini conditions
asteroids
geogebra
anscombe's quartet
bluesky
approximation
noughts and crosses
propositional calculus
datasaurus dozen
the aperiodical
game of life
bots
simultaneous equations
tennis
determinants
pythagoras
edinburgh
fence posts
crochet
exponential growth
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