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Comments
Comments in green were written by me. Comments in blue were not written by me.
2016-01-16
Are you sure
http://www.mscroggs.co.uk/puzzles/126
have unique solutions. See e.g.
http://cryptarithms.awardspace.us/solv...
which gives lots of solutions
stephan
on
/blog/24
2016-07-14
@
stephan
: It looks like the code I wrote to check the solutions were unique contained errors. This might explain why first question was very difficult to solve with logic alone.
Matthew
on
/blog/24
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Archive
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2024
Feb 2024
Zines, pt. 2
Jan 2024
Christmas (2023) is over
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▼ show ▼
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Dec 2023
Christmas card 2023
Nov 2023
Christmas (2023) is coming!
Zines
Sep 2023
TMiP 2023 puzzle hunt
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Chalkdust issue 17
Apr 2023
Logo Asteroids
Mar 2023
Mathsteroids on hyperbolic surfaces
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The databet
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Christmas (2022) is over
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Dec 2022
Off-by-one errors
Christmas card 2022
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24 Hour Maths Game Show
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Approximating π
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Build your own MENACE
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Christmas card 2021
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Christmas (2021) is coming!
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Christmas (2020) is over
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Christmas (2020) is coming!
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Happy ((√3-√2)+(π-e))+4 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
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▼ show ▼
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Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
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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
squares
cross stitch
countdown
php
dates
hats
wool
stickers
people maths
realhats
craft
hexapawn
error bars
european cup
simultaneous equations
pi
speed
matt parker
braiding
london
arithmetic
mean
map projections
interpolation
runge's phenomenon
sorting
fence posts
world cup
big internet math-off
royal institution
christmas
crossnumber
polynomials
youtube
turtles
triangles
game of life
reuleaux polygons
recursion
gather town
signorini conditions
bodmas
draughts
games
menace
finite element method
programming
logic
harriss spiral
logo
manchester science festival
logs
ucl
golden ratio
flexagons
fractals
numerical analysis
pi approximation day
preconditioning
mathsjam
finite group
matrix of cofactors
light
radio 4
chalkdust magazine
inline code
determinants
dinosaurs
folding paper
mathsteroids
video games
matrix of minors
platonic solids
news
edinburgh
sobolev spaces
databet
errors
exponential growth
ternary
convergence
graph theory
hyperbolic surfaces
javascript
golden spiral
chess
pascal's triangle
final fantasy
accuracy
london underground
dragon curves
tmip
misleading statistics
stirling numbers
football
talking maths in public
boundary element methods
chebyshev
approximation
pac-man
oeis
puzzles
plastic ratio
curvature
correlation
python
bubble bobble
bempp
geometry
national lottery
books
probability
gaussian elimination
christmas card
fonts
sound
martin gardner
nine men's morris
frobel
asteroids
gerry anderson
latex
24 hour maths
estimation
advent calendar
anscombe's quartet
royal baby
graphs
guest posts
wave scattering
manchester
phd
rugby
data
data visualisation
live stream
coins
statistics
noughts and crosses
folding tube maps
cambridge
pythagoras
rhombicuboctahedron
numbers
zines
geogebra
hannah fry
sport
weak imposition
binary
matrices
go
mathslogicbot
quadrilaterals
matrix multiplication
raspberry pi
datasaurus dozen
reddit
propositional calculus
electromagnetic field
dataset
crochet
inverse matrices
a gamut of games
newcastle
computational complexity
game show probability
the aperiodical
captain scarlet
standard deviation
pizza cutting
tennis
weather station
trigonometry
palindromes
machine learning
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on /blog/24