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Comments in green were written by me. Comments in blue were not written by me.
2017-12-07
@
Neal
: No, there may be zeroes in the three digit numbers (but you can discard these when solving the final logic puzzle as there are no zeros in the answer to that).
Matthew
on
/blog/46
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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Archive
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2026
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A new puzzle every day
Mixing Wordle with other games
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
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 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
standard deviation
european cup
approximation
video games
world cup
exponential growth
rhombicuboctahedron
game show probability
royal baby
live stream
captain scarlet
stickers
hannah fry
folding tube maps
dataset
platonic solids
national lottery
christmas
matt parker
go
correlation
crochet
games
matrix of cofactors
golden spiral
game of life
bluesky
rugby
logo
newcastle
logic
wool
talking maths in public
martin gardner
weather station
thirteen
finite element method
pi approximation day
finite group
sobolev spaces
plastic ratio
inline code
inverse matrices
golden ratio
graph theory
partridge puzzle
palindromes
tetris
big internet math-off
friendly squares
runge's phenomenon
london
speed
boundary element methods
dragon curves
arithmetic
flexagons
craft
noughts and crosses
mean
dates
fractals
data visualisation
propositional calculus
manchester
braiding
reuleaux polygons
puzzles
php
matrix multiplication
rust
tmip
fence posts
bots
mathslogicbot
tennis
bempp
news
numbers
the aperiodical
databet
errors
chalkdust magazine
kenilworth
reddit
convergence
cambridge
pascal's triangle
estimation
bubble bobble
data
sorting
accuracy
latex
countdown
sport
wordle
polynomials
nine men's morris
javascript
error bars
alphabets
triangles
a gamut of games
hats
regular expressions
stirling numbers
anscombe's quartet
electromagnetic field
kings
people maths
hexapawn
logs
interpolation
cross stitch
dinosaurs
final fantasy
sound
phd
fonts
crosswords
gather town
football
edinburgh
london underground
quadrilaterals
mathsteroids
mathsjam
pythagoras
graphs
pac-man
ucl
recursion
pokémon wordle
coins
probability
warwick
menace
manchester science festival
arrangement puzzles
zines
statistics
determinants
24 hour maths
machine learning
folding paper
ternary
gaussian elimination
signorini conditions
advent calendar
turtles
programming
light
datasaurus dozen
preconditioning
gerry anderson
geogebra
pizza cutting
nonograms
pi
wave scattering
guest posts
geometry
radio 4
raspberry pi
matrix of minors
matrices
chebyshev
chess
weak imposition
numerical analysis
pokémon
crossnumbers
books
hyperbolic surfaces
trigonometry
royal institution
binary
draughts
computational complexity
frobel
crossnumber
asteroids
misleading statistics
bodmas
squares
coventry
curvature
harriss spiral
simultaneous equations
realhats
map projections
python
christmas card
youtube
oeis
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