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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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A bad Puzzle for Today
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Archive
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2024
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
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Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
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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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Christmas (2022) is over
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▼ 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!
Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy ((gτ)-(π-√2))-58 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 ▼
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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
runge's phenomenon
royal institution
chalkdust magazine
pascal's triangle
datasaurus dozen
martin gardner
royal baby
news
raspberry pi
the aperiodical
speed
dataset
computational complexity
menace
manchester
sport
mean
gaussian elimination
weather station
go
php
matrices
pi approximation day
books
oeis
gather town
newcastle
world cup
puzzles
talking maths in public
propositional calculus
games
logs
braiding
hannah fry
countdown
dragon curves
flexagons
bempp
craft
weak imposition
mathsteroids
binary
matrix multiplication
game of life
reuleaux polygons
sorting
finite group
rugby
ucl
zines
platonic solids
accuracy
advent calendar
golden ratio
draughts
logo
machine learning
bodmas
nine men's morris
interpolation
youtube
fractals
asteroids
boundary element methods
preconditioning
correlation
ternary
manchester science festival
realhats
live stream
wave scattering
dinosaurs
palindromes
matrix of cofactors
pi
stickers
stirling numbers
estimation
bubble bobble
recursion
mathsjam
python
geogebra
finite element method
chebyshev
edinburgh
christmas card
determinants
noughts and crosses
matrix of minors
statistics
electromagnetic field
wool
pizza cutting
triangles
programming
people maths
gerry anderson
fence posts
latex
fonts
convergence
databet
hexapawn
plastic ratio
map projections
harriss spiral
big internet math-off
anscombe's quartet
graphs
signorini conditions
data visualisation
inverse matrices
tmip
crossnumber
sound
matt parker
sobolev spaces
phd
cambridge
radio 4
mathslogicbot
polynomials
final fantasy
standard deviation
simultaneous equations
inline code
hats
misleading statistics
national lottery
exponential growth
pythagoras
arithmetic
london underground
logic
european cup
approximation
numbers
errors
dates
squares
guest posts
turtles
folding tube maps
quadrilaterals
crochet
probability
frobel
golden spiral
numerical analysis
pac-man
game show probability
tennis
chess
javascript
cross stitch
football
hyperbolic surfaces
christmas
light
data
coins
trigonometry
curvature
a gamut of games
london
error bars
rhombicuboctahedron
folding paper
captain scarlet
video games
24 hour maths
graph theory
geometry
reddit
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