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Comments in green were written by me. Comments in blue were not written by me.
2024-07-31
Incorrect answers are treated is correct.
Looking at the JavaScript code, I found that any value that is a key in the array "regions" is treated as correct for all puzzles.
Lars Nordenström
on
/blog/108
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Log-scaled axes
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A bad Puzzle for Today
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Assorted christmaths
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How to write a crossnumber
Jan 2025
Christmas (2024) is over
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2024
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Dec 2024
A regular expression Christmas puzzle
Christmas card 2024
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Christmas (2024) is coming!
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Zines, pt. 2
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Christmas (2023) is over
2023
▼ show ▼
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Dec 2023
Christmas card 2023
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Christmas (2023) is coming!
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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 ▼
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Dec 2022
Off-by-one errors
Christmas card 2022
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Christmas (2022) is coming!
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24 Hour Maths Game Show
Mar 2022
Approximating π
Feb 2022
Build your own MENACE
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Christmas (2021) is over
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Christmas (2021) is coming!
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May 2021
Close encounters of the second kind
Jan 2021
Christmas (2020) is over
2020
▼ show ▼
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy 5+e-φ+√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
live stream
cross stitch
coins
reddit
a gamut of games
folding paper
rugby
24 hour maths
platonic solids
mathslogicbot
crochet
european cup
bodmas
realhats
royal institution
flexagons
numbers
triangles
signorini conditions
gather town
london underground
pascal's triangle
newcastle
fractals
raspberry pi
ucl
national lottery
reuleaux polygons
friendly squares
geogebra
menace
boundary element methods
palindromes
chebyshev
the aperiodical
harriss spiral
runge's phenomenon
hexapawn
pi
craft
matrices
weather station
exponential growth
pizza cutting
sorting
news
fonts
mean
golden spiral
hats
draughts
oeis
graph theory
computational complexity
programming
pi approximation day
frobel
convergence
chalkdust magazine
statistics
matrix multiplication
estimation
gerry anderson
gaussian elimination
standard deviation
zines
misleading statistics
stickers
geometry
big internet math-off
asteroids
ternary
errors
correlation
football
finite element method
puzzles
game show probability
braiding
crossnumbers
trigonometry
christmas
logs
game of life
crosswords
nine men's morris
advent calendar
final fantasy
chess
plastic ratio
latex
mathsteroids
dinosaurs
noughts and crosses
stirling numbers
youtube
inline code
weak imposition
javascript
regular expressions
machine learning
guest posts
fence posts
recursion
wave scattering
data visualisation
crossnumber
sound
dates
simultaneous equations
tennis
inverse matrices
martin gardner
dataset
speed
dragon curves
video games
edinburgh
cambridge
matrix of cofactors
kings
python
probability
bempp
finite group
bots
bubble bobble
radio 4
captain scarlet
interpolation
graphs
go
rhombicuboctahedron
databet
manchester science festival
error bars
electromagnetic field
mathsjam
hyperbolic surfaces
sobolev spaces
games
people maths
manchester
folding tube maps
squares
data
map projections
talking maths in public
phd
wool
light
logic
polynomials
arithmetic
countdown
sport
christmas card
pythagoras
anscombe's quartet
datasaurus dozen
approximation
binary
accuracy
golden ratio
logo
propositional calculus
books
tmip
numerical analysis
london
turtles
matt parker
hannah fry
curvature
world cup
royal baby
quadrilaterals
determinants
php
matrix of minors
preconditioning
pac-man
© Matthew Scroggs 2012–2025
Looking at the JavaScript code, I found that any value that is a key in the array "regions" is treated as correct for all puzzles.
on /blog/108