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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
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"Uncanny" royal coincidence
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Archive
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2026
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Apr 2026
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
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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 -6+τφ 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
stirling numbers
crosswords
games
folding paper
error bars
christmas card
geogebra
fonts
platonic solids
python
go
logs
london
game of life
european cup
errors
graphs
squares
frobel
polynomials
puzzles
stickers
pythagoras
video games
cross stitch
wave scattering
a gamut of games
golden ratio
weak imposition
php
nonograms
propositional calculus
chess
data
computational complexity
bubble bobble
statistics
nine men's morris
london underground
quadrilaterals
flexagons
rhombicuboctahedron
edinburgh
sorting
sobolev spaces
mathslogicbot
24 hour maths
alphabets
crossnumber
machine learning
matrices
trigonometry
manchester science festival
interpolation
golden spiral
chalkdust magazine
triangles
oeis
pokémon wordle
inverse matrices
warwick
plastic ratio
hannah fry
numerical analysis
dates
accuracy
arithmetic
databet
regular expressions
matrix of cofactors
binary
finite element method
mathsteroids
christmas
preconditioning
countdown
newcastle
chebyshev
martin gardner
manchester
wool
live stream
latex
logo
hyperbolic surfaces
captain scarlet
bots
matrix multiplication
pizza cutting
hats
approximation
bempp
national lottery
braiding
phd
youtube
pokémon
numbers
weather station
reuleaux polygons
exponential growth
rugby
news
finite group
light
big internet math-off
thirteen
gaussian elimination
talking maths in public
dinosaurs
pascal's triangle
game show probability
radio 4
partridge puzzle
friendly squares
correlation
mean
determinants
fractals
turtles
realhats
dragon curves
tennis
programming
harriss spiral
matt parker
crochet
recursion
advent calendar
matrix of minors
standard deviation
pi approximation day
crossnumbers
people maths
sport
coventry
anscombe's quartet
tmip
rust
curvature
kenilworth
reddit
ternary
royal institution
probability
guest posts
gerry anderson
signorini conditions
folding tube maps
map projections
arrangement puzzles
logic
datasaurus dozen
menace
wordle
graph theory
ucl
misleading statistics
estimation
runge's phenomenon
geometry
inline code
the aperiodical
mathsjam
electromagnetic field
cambridge
data visualisation
kings
final fantasy
speed
dataset
hexapawn
world cup
asteroids
bluesky
gather town
coins
noughts and crosses
books
sound
tetris
convergence
boundary element methods
raspberry pi
pac-man
zines
royal baby
simultaneous equations
palindromes
craft
football
javascript
bodmas
draughts
pi
fence posts
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