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Comments in green were written by me. Comments in blue were not written by me.
2023-12-27
Another great puzzle, Matthew, thank you!
David Walbert
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A bad Puzzle for Today
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Logo Asteroids
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Mathsteroids on hyperbolic surfaces
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The databet
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Off-by-one errors
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Christmas (2020) is coming!
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Happy -3+e+g-τ-√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 ▼
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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
inverse matrices
interpolation
martin gardner
logo
talking maths in public
christmas
golden ratio
pi
curvature
geometry
speed
logs
stickers
bubble bobble
gerry anderson
quadrilaterals
electromagnetic field
squares
realhats
football
flexagons
sound
ternary
bots
mathsjam
crossnumber
numbers
dates
people maths
asteroids
ucl
recursion
captain scarlet
graphs
convergence
wave scattering
finite group
manchester science festival
stirling numbers
python
javascript
matrices
youtube
computational complexity
programming
golden spiral
php
light
24 hour maths
weather station
numerical analysis
chebyshev
crochet
inline code
guest posts
binary
logic
edinburgh
gaussian elimination
latex
frobel
propositional calculus
databet
tmip
fonts
mathsteroids
coins
cross stitch
manchester
weak imposition
go
palindromes
boundary element methods
game show probability
simultaneous equations
signorini conditions
pascal's triangle
error bars
machine learning
matrix of cofactors
hats
triangles
phd
rugby
fractals
hyperbolic surfaces
folding paper
sobolev spaces
big internet math-off
bodmas
braiding
trigonometry
game of life
christmas card
plastic ratio
errors
harriss spiral
sport
data visualisation
standard deviation
mathslogicbot
pac-man
dataset
national lottery
live stream
reuleaux polygons
misleading statistics
european cup
video games
anscombe's quartet
dragon curves
chess
sorting
world cup
chalkdust magazine
menace
wool
tennis
matrix of minors
pizza cutting
oeis
news
statistics
hannah fry
probability
accuracy
noughts and crosses
map projections
runge's phenomenon
london underground
preconditioning
dinosaurs
matrix multiplication
approximation
final fantasy
pythagoras
geogebra
fence posts
the aperiodical
pi approximation day
nine men's morris
turtles
draughts
gather town
advent calendar
newcastle
radio 4
london
bempp
hexapawn
matt parker
craft
correlation
exponential growth
determinants
graph theory
royal baby
reddit
finite element method
a gamut of games
polynomials
books
raspberry pi
countdown
platonic solids
estimation
games
rhombicuboctahedron
cambridge
data
royal institution
arithmetic
mean
zines
puzzles
folding tube maps
datasaurus dozen
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