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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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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
Feb 2023
The databet
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Christmas (2022) is over
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▼ show ▼
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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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Build your own MENACE
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Christmas (2021) is coming!
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Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy (ϕ+τ)-√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 ▼
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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
chess
fractals
tmip
speed
frobel
logic
martin gardner
matrix of cofactors
data visualisation
manchester science festival
geometry
gather town
captain scarlet
braiding
newcastle
inline code
runge's phenomenon
error bars
anscombe's quartet
craft
bempp
folding tube maps
logo
sorting
world cup
sobolev spaces
draughts
approximation
preconditioning
hats
news
determinants
royal institution
24 hour maths
advent calendar
finite element method
estimation
graphs
ucl
weather station
exponential growth
sport
christmas
golden ratio
turtles
matrix of minors
golden spiral
manchester
dataset
cambridge
light
game of life
live stream
finite group
christmas card
javascript
recursion
wool
cross stitch
errors
data
the aperiodical
games
chebyshev
numerical analysis
computational complexity
pizza cutting
graph theory
pascal's triangle
pi approximation day
folding paper
bodmas
menace
boundary element methods
final fantasy
crossnumber
zines
books
rugby
pythagoras
phd
mathslogicbot
stirling numbers
map projections
youtube
chalkdust magazine
fonts
reuleaux polygons
mean
crochet
quadrilaterals
machine learning
fence posts
misleading statistics
raspberry pi
hyperbolic surfaces
pac-man
bubble bobble
hannah fry
arithmetic
logs
radio 4
simultaneous equations
hexapawn
ternary
stickers
puzzles
european cup
sound
latex
correlation
weak imposition
realhats
curvature
nine men's morris
football
programming
probability
standard deviation
datasaurus dozen
flexagons
people maths
statistics
coins
dragon curves
dates
edinburgh
reddit
national lottery
dinosaurs
wave scattering
pi
matrices
matt parker
asteroids
a gamut of games
matrix multiplication
mathsteroids
countdown
inverse matrices
geogebra
convergence
interpolation
electromagnetic field
php
plastic ratio
propositional calculus
triangles
rhombicuboctahedron
noughts and crosses
royal baby
palindromes
london
gerry anderson
oeis
tennis
polynomials
guest posts
python
talking maths in public
databet
go
platonic solids
video games
binary
mathsjam
accuracy
squares
big internet math-off
gaussian elimination
london underground
numbers
trigonometry
harriss spiral
signorini conditions
game show probability
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