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Comments in green were written by me. Comments in blue were not written by me.
2022-01-08
Thanks for the advert calendar this year.
By the way, in the "Hardest and easiest puzzles" section, 4 out of the 5 links to the puzzles are to the 2020 puzzles instead of the 2021 puzzles
Alex
on
/blog/93
×2
×2
×2
2022-01-09
@
Alex
: Thanks, I've fixed those links
Matthew
on
/blog/93
×2
×2
×2
×2
×2
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PhD thesis, chapter ∞
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Proving a conjecture
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A bad Puzzle for Today
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The importance of estimation error
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Braiding, pt. 2
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Electromagnetic Field talk
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New machine unfriendly £1 coin, pt. 2
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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A regular expression Christmas puzzle
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Build your own MENACE
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Christmas (2020) is coming!
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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
Jan 2019
Christmas (2018) is over
2018
▼ show ▼
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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
hexapawn
edinburgh
puzzles
map projections
games
pizza cutting
harriss spiral
flexagons
radio 4
matrix multiplication
kenilworth
hats
accuracy
golden ratio
manchester science festival
programming
dragon curves
wave scattering
logo
raspberry pi
ucl
crochet
the aperiodical
football
thirteen
signorini conditions
machine learning
fractals
pac-man
propositional calculus
partridge puzzle
guest posts
european cup
countdown
phd
royal baby
crossnumbers
braiding
rhombicuboctahedron
bodmas
stickers
zines
reddit
datasaurus dozen
electromagnetic field
martin gardner
latex
game of life
christmas card
dinosaurs
news
live stream
pythagoras
numerical analysis
bempp
chebyshev
matrix of cofactors
finite element method
probability
fonts
world cup
gather town
graphs
weak imposition
warwick
data visualisation
a gamut of games
big internet math-off
php
convergence
bubble bobble
coins
youtube
realhats
go
books
friendly squares
stirling numbers
data
interpolation
crosswords
computational complexity
fence posts
folding paper
sorting
regular expressions
triangles
palindromes
geometry
golden spiral
plastic ratio
anscombe's quartet
national lottery
dataset
london underground
javascript
matrix of minors
wool
mathsteroids
polynomials
folding tube maps
rust
chess
bots
geogebra
preconditioning
estimation
hannah fry
asteroids
inverse matrices
royal institution
graph theory
game show probability
video games
logic
reuleaux polygons
advent calendar
nonograms
determinants
sobolev spaces
draughts
gaussian elimination
curvature
kings
captain scarlet
misleading statistics
talking maths in public
pi
nine men's morris
matrices
chalkdust magazine
ternary
error bars
databet
manchester
crossnumber
hyperbolic surfaces
pascal's triangle
cross stitch
numbers
trigonometry
standard deviation
tmip
christmas
speed
runge's phenomenon
coventry
mean
people maths
matt parker
rugby
alphabets
final fantasy
recursion
mathslogicbot
binary
exponential growth
python
newcastle
menace
sound
squares
dates
approximation
quadrilaterals
inline code
gerry anderson
sport
tennis
mathsjam
light
weather station
arithmetic
simultaneous equations
statistics
craft
correlation
errors
pi approximation day
platonic solids
turtles
frobel
noughts and crosses
cambridge
finite group
logs
london
boundary element methods
24 hour maths
oeis
© Matthew Scroggs 2012–2026
By the way, in the "Hardest and easiest puzzles" section, 4 out of the 5 links to the puzzles are to the 2020 puzzles instead of the 2021 puzzles
on /blog/93