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