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2024-01-07
(you've left the "drones" in at the beginning of the Winners section)
Ben Reiniger
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/blog/109
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Assorted christmaths
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Archive
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Feb 2026
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Nov 2025
Christmas (2025) is coming!
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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
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Dec 2023
Christmas card 2023
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Christmas (2023) is coming!
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Sep 2023
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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 ▼
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Dec 2021
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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 -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
▼ 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
kenilworth
gaussian elimination
determinants
edinburgh
geogebra
recursion
dataset
asteroids
ternary
statistics
london underground
live stream
coins
kings
european cup
pythagoras
graph theory
simultaneous equations
cambridge
matrix of minors
inline code
stickers
bempp
flexagons
fonts
advent calendar
oeis
menace
talking maths in public
propositional calculus
football
stirling numbers
mean
the aperiodical
weak imposition
signorini conditions
martin gardner
partridge puzzle
nine men's morris
triangles
noughts and crosses
misleading statistics
game show probability
electromagnetic field
crossnumbers
christmas
puzzles
logic
video games
world cup
fractals
sorting
palindromes
logs
big internet math-off
crossnumber
captain scarlet
error bars
golden ratio
gather town
braiding
accuracy
computational complexity
plastic ratio
folding tube maps
crosswords
mathslogicbot
frobel
royal institution
numerical analysis
radio 4
phd
harriss spiral
squares
thirteen
24 hour maths
errors
fence posts
gerry anderson
latex
a gamut of games
bots
binary
people maths
pi
quadrilaterals
news
php
mathsjam
wool
graphs
runge's phenomenon
interpolation
datasaurus dozen
data
craft
tennis
dragon curves
folding paper
hats
arithmetic
youtube
nonograms
polynomials
javascript
databet
countdown
go
reddit
weather station
pokémon
chebyshev
royal baby
games
pi approximation day
manchester science festival
geometry
cross stitch
regular expressions
correlation
raspberry pi
chess
sport
matt parker
london
hyperbolic surfaces
ucl
curvature
wordle
christmas card
golden spiral
mathsteroids
manchester
trigonometry
bubble bobble
preconditioning
python
approximation
finite element method
national lottery
exponential growth
boundary element methods
numbers
coventry
logo
crochet
bodmas
light
newcastle
platonic solids
realhats
wave scattering
map projections
chalkdust magazine
convergence
warwick
anscombe's quartet
programming
zines
pokémon wordle
rugby
inverse matrices
matrices
finite group
pascal's triangle
probability
guest posts
rust
standard deviation
sobolev spaces
tetris
bluesky
game of life
matrix multiplication
dates
reuleaux polygons
hannah fry
hexapawn
data visualisation
turtles
dinosaurs
tmip
sound
alphabets
speed
estimation
books
pizza cutting
friendly squares
draughts
rhombicuboctahedron
pac-man
final fantasy
machine learning
arrangement puzzles
matrix of cofactors
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