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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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PhD thesis, chapter ∞
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Archive
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2026
May 2026
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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
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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
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
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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
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!
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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 -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
crossnumber
sorting
football
edinburgh
craft
wordle
javascript
matrix of cofactors
dataset
oeis
stirling numbers
bempp
chebyshev
ternary
programming
geogebra
harriss spiral
game show probability
world cup
coventry
pi
hats
books
london
finite group
newcastle
advent calendar
wool
plastic ratio
binary
raspberry pi
manchester science festival
platonic solids
bubble bobble
bluesky
gaussian elimination
triangles
asteroids
light
noughts and crosses
interpolation
mathsjam
braiding
rugby
datasaurus dozen
determinants
pizza cutting
draughts
matrix multiplication
electromagnetic field
chalkdust magazine
pythagoras
runge's phenomenon
guest posts
phd
signorini conditions
quadrilaterals
go
ucl
estimation
christmas card
numbers
dragon curves
approximation
pac-man
sound
manchester
databet
hannah fry
stickers
reddit
gather town
dinosaurs
exponential growth
pascal's triangle
fonts
recursion
squares
captain scarlet
golden spiral
24 hour maths
correlation
fence posts
partridge puzzle
alphabets
graph theory
martin gardner
video games
turtles
simultaneous equations
folding paper
logo
palindromes
pokémon wordle
bodmas
talking maths in public
convergence
crossnumbers
anscombe's quartet
wave scattering
logic
data
errors
cambridge
a gamut of games
puzzles
folding tube maps
hyperbolic surfaces
crosswords
rhombicuboctahedron
graphs
mean
tetris
map projections
tmip
national lottery
standard deviation
big internet math-off
preconditioning
coins
bots
misleading statistics
inverse matrices
game of life
london underground
sobolev spaces
statistics
regular expressions
pi approximation day
menace
nine men's morris
live stream
dates
php
logs
golden ratio
error bars
python
fractals
machine learning
royal institution
weak imposition
rust
latex
geometry
finite element method
speed
radio 4
european cup
pokémon
tennis
computational complexity
royal baby
kenilworth
nonograms
mathslogicbot
mathsteroids
trigonometry
thirteen
reuleaux polygons
zines
crochet
realhats
curvature
inline code
people maths
friendly squares
final fantasy
data visualisation
the aperiodical
arithmetic
cross stitch
numerical analysis
games
matrices
polynomials
weather station
hexapawn
arrangement puzzles
warwick
news
accuracy
youtube
matt parker
kings
christmas
propositional calculus
frobel
flexagons
countdown
gerry anderson
sport
probability
boundary element methods
matrix of minors
chess
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