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2020-12-04
@
Tara
: Yes, looks like you may have got an incorrect answer for one of the black puzzles
Matthew
on
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Assorted christmaths
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Archive
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Feb 2026
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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 ▼
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Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
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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 2+g-φ-5√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
countdown
logo
golden ratio
tetris
edinburgh
numbers
palindromes
wool
errors
sound
european cup
misleading statistics
speed
the aperiodical
hats
asteroids
draughts
interpolation
chess
hannah fry
world cup
game of life
kenilworth
london underground
accuracy
mathsjam
computational complexity
stickers
arrangement puzzles
thirteen
stirling numbers
curvature
newcastle
raspberry pi
geogebra
quadrilaterals
data
sorting
map projections
squares
alphabets
royal institution
approximation
kings
crossnumber
signorini conditions
craft
plastic ratio
bots
sport
gather town
crochet
big internet math-off
logic
flexagons
coventry
pokémon wordle
php
hexapawn
oeis
fence posts
dataset
propositional calculus
hyperbolic surfaces
pokémon
a gamut of games
chebyshev
nine men's morris
graphs
mathsteroids
reuleaux polygons
programming
phd
regular expressions
bluesky
data visualisation
probability
weather station
pizza cutting
arithmetic
standard deviation
noughts and crosses
football
geometry
advent calendar
weak imposition
cambridge
christmas
ucl
pac-man
runge's phenomenon
chalkdust magazine
manchester
golden spiral
correlation
graph theory
folding paper
warwick
tennis
youtube
tmip
matrix of minors
javascript
puzzles
databet
gaussian elimination
bodmas
bubble bobble
binary
harriss spiral
logs
python
boundary element methods
captain scarlet
turtles
partridge puzzle
talking maths in public
final fantasy
ternary
recursion
anscombe's quartet
exponential growth
trigonometry
zines
martin gardner
24 hour maths
preconditioning
london
matrices
numerical analysis
error bars
guest posts
matt parker
datasaurus dozen
friendly squares
matrix multiplication
simultaneous equations
people maths
menace
national lottery
light
frobel
inline code
news
pi
go
pythagoras
convergence
live stream
nonograms
polynomials
rust
bempp
crossnumbers
finite element method
dragon curves
cross stitch
estimation
wordle
fonts
manchester science festival
crosswords
wave scattering
coins
game show probability
christmas card
rugby
matrix of cofactors
dinosaurs
video games
platonic solids
games
statistics
radio 4
pi approximation day
books
latex
gerry anderson
rhombicuboctahedron
triangles
reddit
dates
mean
realhats
braiding
pascal's triangle
inverse matrices
royal baby
machine learning
fractals
mathslogicbot
determinants
finite group
electromagnetic field
sobolev spaces
folding tube maps
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