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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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Archive
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Christmas (2025) is coming!
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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!
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Zines, pt. 2
Jan 2024
Christmas (2023) is over
2023
▼ show ▼
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Dec 2023
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Christmas (2023) is coming!
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Chalkdust issue 17
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Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
Feb 2023
The databet
Jan 2023
Christmas (2022) is over
2022
▼ show ▼
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Dec 2022
Off-by-one errors
Christmas card 2022
Nov 2022
Christmas (2022) is coming!
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24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
Jan 2022
Christmas (2021) is over
2021
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Dec 2021
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Christmas (2021) is coming!
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TMiP 2021 puzzle hunt
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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 -15+3τ-φ-√3 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
wordle
edinburgh
graphs
24 hour maths
dinosaurs
data visualisation
weather station
probability
data
guest posts
numbers
pi approximation day
reuleaux polygons
speed
european cup
inverse matrices
logs
mean
warwick
trigonometry
world cup
christmas
finite group
football
plastic ratio
misleading statistics
matrix multiplication
puzzles
friendly squares
menace
regular expressions
youtube
newcastle
bots
video games
correlation
phd
binary
standard deviation
golden ratio
bubble bobble
platonic solids
bluesky
countdown
bodmas
draughts
machine learning
preconditioning
databet
stickers
dates
pokémon wordle
crochet
talking maths in public
the aperiodical
fonts
ternary
braiding
triangles
estimation
crosswords
computational complexity
sorting
sobolev spaces
pascal's triangle
polynomials
tetris
radio 4
cross stitch
tmip
national lottery
boundary element methods
electromagnetic field
palindromes
game show probability
hexapawn
london underground
flexagons
pac-man
graph theory
weak imposition
chess
advent calendar
inline code
simultaneous equations
turtles
dragon curves
oeis
crossnumber
wave scattering
manchester science festival
kenilworth
people maths
a gamut of games
royal baby
php
pythagoras
coins
stirling numbers
errors
accuracy
ucl
hyperbolic surfaces
raspberry pi
gerry anderson
bempp
asteroids
mathsteroids
reddit
books
matt parker
noughts and crosses
folding tube maps
coventry
anscombe's quartet
realhats
convergence
signorini conditions
map projections
london
nine men's morris
pizza cutting
game of life
javascript
martin gardner
light
golden spiral
propositional calculus
partridge puzzle
fence posts
rhombicuboctahedron
curvature
gather town
games
manchester
fractals
zines
cambridge
latex
programming
thirteen
chalkdust magazine
final fantasy
determinants
folding paper
numerical analysis
arrangement puzzles
rust
finite element method
chebyshev
mathsjam
runge's phenomenon
arithmetic
rugby
craft
geometry
recursion
datasaurus dozen
gaussian elimination
python
quadrilaterals
big internet math-off
go
nonograms
kings
matrices
sound
logo
statistics
dataset
hats
captain scarlet
geogebra
squares
error bars
wool
crossnumbers
news
matrix of minors
harriss spiral
matrix of cofactors
hannah fry
sport
logic
alphabets
royal institution
approximation
tennis
interpolation
mathslogicbot
pokémon
christmas card
pi
frobel
exponential growth
live stream
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