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Comments in green were written by me. Comments in blue were not written by me.
2021-12-02
Thanks Matthew. Really nice to have this daily dose of brain teasing again
Gert-Jan
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Happy -2+g-π 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
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Christmas (2018) is over
2018
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Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
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Christmas (2018) is coming!
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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 ▼
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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
misleading statistics
runge's phenomenon
tmip
stirling numbers
error bars
fence posts
pac-man
oeis
phd
matrix multiplication
signorini conditions
folding paper
mathsjam
nonograms
sport
chalkdust magazine
kings
correlation
standard deviation
hyperbolic surfaces
european cup
computational complexity
dataset
finite group
braiding
menace
data visualisation
data
stickers
quadrilaterals
hexapawn
reuleaux polygons
alphabets
go
folding tube maps
ucl
crossnumber
speed
advent calendar
fonts
the aperiodical
php
crossnumbers
pi
puzzles
world cup
matt parker
mathsteroids
weak imposition
cambridge
inline code
bodmas
sorting
turtles
raspberry pi
nine men's morris
people maths
tennis
dragon curves
programming
wave scattering
rhombicuboctahedron
gather town
radio 4
statistics
fractals
thirteen
frobel
wool
boundary element methods
game of life
london underground
latex
recursion
friendly squares
graphs
interpolation
final fantasy
matrix of minors
logo
polynomials
newcastle
mathslogicbot
approximation
platonic solids
electromagnetic field
guest posts
curvature
gerry anderson
realhats
london
determinants
craft
kenilworth
cross stitch
hannah fry
mean
exponential growth
royal baby
partridge puzzle
convergence
flexagons
live stream
probability
dates
harriss spiral
rugby
golden ratio
martin gardner
a gamut of games
game show probability
draughts
football
graph theory
arithmetic
golden spiral
datasaurus dozen
javascript
geogebra
christmas card
estimation
palindromes
coventry
crosswords
regular expressions
sobolev spaces
captain scarlet
manchester science festival
anscombe's quartet
pythagoras
edinburgh
games
manchester
books
video games
numbers
map projections
geometry
warwick
databet
bubble bobble
pizza cutting
numerical analysis
matrices
matrix of cofactors
asteroids
talking maths in public
triangles
binary
reddit
big internet math-off
logic
national lottery
machine learning
accuracy
chebyshev
crochet
noughts and crosses
pi approximation day
inverse matrices
propositional calculus
bempp
finite element method
hats
chess
rust
errors
bots
coins
christmas
plastic ratio
royal institution
countdown
gaussian elimination
zines
logs
sound
weather station
python
dinosaurs
trigonometry
light
ternary
preconditioning
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youtube
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