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Comments in green were written by me. Comments in blue were not written by me.
2026-02-08
Yes I did puzzle 9 by working out how many would be coloured in each row or something, and only realised that there was a simpler way when I saw the final formula. Cheers pal
Alex Bolton
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Christmas (2020) is coming!
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Happy -26+eg 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
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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
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Dec 2018
Christmas cross stitch
MENACE in fiction
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Christmas (2018) is coming!
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Runge's Phenomenon
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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
pythagoras
pokémon
curvature
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pi
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frobel
nonograms
preconditioning
flexagons
mathsteroids
national lottery
european cup
recursion
world cup
asteroids
rugby
crosswords
polynomials
a gamut of games
correlation
exponential growth
interpolation
tmip
logic
pi approximation day
geogebra
martin gardner
24 hour maths
bots
error bars
matt parker
golden spiral
trigonometry
captain scarlet
mathslogicbot
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game show probability
errors
zines
edinburgh
people maths
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logo
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live stream
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talking maths in public
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harriss spiral
mean
matrix multiplication
gather town
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approximation
manchester science festival
inverse matrices
news
countdown
finite group
data visualisation
wave scattering
manchester
hexapawn
stickers
hats
games
speed
coventry
binary
game of life
braiding
chebyshev
folding paper
gaussian elimination
tennis
radio 4
electromagnetic field
royal institution
anscombe's quartet
platonic solids
warwick
christmas card
the aperiodical
guest posts
sport
crochet
oeis
youtube
video games
cross stitch
convergence
dataset
data
friendly squares
bluesky
rhombicuboctahedron
ucl
numbers
standard deviation
datasaurus dozen
stirling numbers
london
sobolev spaces
plastic ratio
light
python
bempp
regular expressions
estimation
dates
hyperbolic surfaces
php
puzzles
fence posts
graph theory
advent calendar
pokémon wordle
pizza cutting
chess
hannah fry
menace
wool
numerical analysis
pascal's triangle
bodmas
crossnumber
rust
reuleaux polygons
arrangement puzzles
newcastle
misleading statistics
boundary element methods
realhats
machine learning
propositional calculus
statistics
folding tube maps
runge's phenomenon
sorting
final fantasy
raspberry pi
ternary
turtles
go
noughts and crosses
royal baby
quadrilaterals
javascript
signorini conditions
partridge puzzle
matrix of minors
phd
squares
coins
determinants
finite element method
fractals
christmas
weather station
bubble bobble
map projections
logs
gerry anderson
crossnumbers
computational complexity
books
chalkdust magazine
matrix of cofactors
latex
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