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2024-12-25
I've just completed all the puzzles in the mscroggs.co.uk Advent calendar! My favourite puzzles were the fill in 1-9 ones.
Deborah Tayler
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PhD thesis, chapter 1
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Big Ben Strikes Again
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The importance of estimation error
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Braiding, pt. 2
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Making names in Life
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Euro 2016 stickers
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Proving Pythagoras' theorem
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Countdown probability, pt. 2
Countdown probability
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New machine unfriendly £1 coin, pt. 2
New machine unfriendly £1 coin
2013
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Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
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Tube map Platonic solids, pt. 2
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Tube map Platonic solids
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Archive
Show me a random blog post
▼ show ▼
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2026
May 2026
World Cup stickers 2026
Apr 2026
A new puzzle every day
Mixing Wordle with other games
Feb 2026
Christmas (2025) is over
2025
Dec 2025
Christmas card 2025
Nov 2025
Christmas (2025) is coming!
Sep 2025
The partridge puzzle
Aug 2025
TMiP 2025 puzzle hunt
Jun 2025
A nonogram alphabet
Mar 2025
How to write a crossnumber
Jan 2025
Christmas (2024) is over
Friendly squares
2024
Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
Nov 2024
Christmas (2024) is coming!
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
▼ show ▼
▲ hide ▲
Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
May 2023
Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
▲ hide ▲
Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
Oct 2022
24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
▼ show ▼
▲ hide ▲
Dec 2021
Christmas card 2021
Nov 2021
Christmas (2021) is coming!
Sep 2021
TMiP 2021 puzzle hunt
May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
▲ hide ▲
Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -13+e+τ√2+φ 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
trigonometry
friendly squares
manchester
pi
error bars
light
kenilworth
wave scattering
curvature
dinosaurs
oeis
determinants
hyperbolic surfaces
nonograms
raspberry pi
tennis
mathsteroids
a gamut of games
wordle
manchester science festival
pascal's triangle
royal baby
dragon curves
video games
mathslogicbot
logs
recursion
reddit
plastic ratio
interpolation
sorting
game of life
alphabets
sound
matt parker
24 hour maths
draughts
golden ratio
thirteen
stickers
php
fractals
dates
turtles
newcastle
nine men's morris
warwick
ucl
logic
mathsjam
graphs
coventry
christmas card
games
squares
datasaurus dozen
weak imposition
simultaneous equations
crossnumbers
logo
data visualisation
national lottery
preconditioning
convergence
numbers
javascript
computational complexity
books
electromagnetic field
estimation
geometry
wool
mean
ternary
kings
databet
captain scarlet
chess
data
pizza cutting
harriss spiral
bubble bobble
weather station
realhats
cross stitch
rhombicuboctahedron
frobel
programming
crochet
boundary element methods
matrix multiplication
arithmetic
accuracy
speed
youtube
exponential growth
errors
folding tube maps
folding paper
big internet math-off
approximation
probability
tmip
bodmas
polynomials
numerical analysis
talking maths in public
zines
triangles
fonts
hats
partridge puzzle
reuleaux polygons
palindromes
crosswords
standard deviation
geogebra
live stream
chalkdust magazine
edinburgh
dataset
arrangement puzzles
inline code
royal institution
misleading statistics
menace
craft
map projections
anscombe's quartet
radio 4
regular expressions
phd
martin gardner
binary
finite element method
hexapawn
golden spiral
puzzles
european cup
news
sport
bots
noughts and crosses
football
propositional calculus
cambridge
bempp
quadrilaterals
pythagoras
pokémon
statistics
pokémon wordle
sobolev spaces
matrix of minors
tetris
pi approximation day
advent calendar
gerry anderson
crossnumber
gather town
london
graph theory
london underground
machine learning
the aperiodical
pac-man
flexagons
latex
stirling numbers
rust
hannah fry
asteroids
guest posts
inverse matrices
bluesky
countdown
correlation
fence posts
python
braiding
matrix of cofactors
go
game show probability
matrices
final fantasy
finite group
world cup
runge's phenomenon
coins
chebyshev
rugby
platonic solids
people maths
christmas
gaussian elimination
signorini conditions
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