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Comments in green were written by me. Comments in blue were not written by me.
2020-12-11
@
Moss
: You were correct: as you were writing this, I was correcting the puzzle. It should now be correct
Matthew
on
/blog/86
×1
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A bad Puzzle for Today
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Approximating π
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Dec 2020
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Christmas (2020) is coming!
Jul 2020
Happy 18+φ+√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 ▼
▲ 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
wave scattering
pizza cutting
chalkdust magazine
triangles
talking maths in public
arithmetic
books
noughts and crosses
crochet
advent calendar
game of life
accuracy
electromagnetic field
probability
data
turtles
javascript
numbers
estimation
geogebra
map projections
hexapawn
pi
a gamut of games
polynomials
hannah fry
preconditioning
national lottery
chebyshev
logs
mathsteroids
raspberry pi
captain scarlet
craft
squares
mathsjam
speed
boundary element methods
ternary
wool
standard deviation
the aperiodical
flexagons
asteroids
frobel
geometry
big internet math-off
folding paper
finite group
manchester science festival
sobolev spaces
manchester
determinants
video games
martin gardner
edinburgh
christmas
harriss spiral
pascal's triangle
24 hour maths
ucl
menace
finite element method
stickers
fonts
runge's phenomenon
misleading statistics
inline code
propositional calculus
tmip
computational complexity
london underground
data visualisation
football
light
draughts
databet
machine learning
go
exponential growth
binary
coins
dinosaurs
bots
radio 4
hats
phd
matrix of cofactors
game show probability
news
reuleaux polygons
numerical analysis
logic
christmas card
royal institution
graph theory
pythagoras
dates
crossnumber
people maths
palindromes
reddit
matrix of minors
pi approximation day
platonic solids
newcastle
inverse matrices
world cup
statistics
hyperbolic surfaces
youtube
logo
folding tube maps
signorini conditions
cross stitch
stirling numbers
plastic ratio
golden spiral
anscombe's quartet
mathslogicbot
friendly squares
correlation
braiding
royal baby
guest posts
datasaurus dozen
weak imposition
tennis
european cup
matrices
nine men's morris
rhombicuboctahedron
games
recursion
puzzles
simultaneous equations
rugby
convergence
fence posts
pac-man
error bars
mean
quadrilaterals
bempp
errors
weather station
gaussian elimination
gerry anderson
live stream
countdown
fractals
matt parker
bubble bobble
latex
curvature
matrix multiplication
approximation
interpolation
bodmas
dataset
dragon curves
zines
cambridge
gather town
sound
trigonometry
python
sport
final fantasy
oeis
chess
london
sorting
programming
graphs
kings
golden ratio
php
regular expressions
realhats
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