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Comments in green were written by me. Comments in blue were not written by me.
2018-12-10
Great puzzle problems! Hint on #9: try starting with an analogous problem using smaller numbers (e.g.
3a + 10b
). This helped me to see what I had to do more generally.
Noah
on
/blog/59
×1
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A regular expression Christmas puzzle
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Off-by-one errors
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Build your own MENACE
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Christmas (2021) is coming!
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Dec 2020
Christmas card 2020
Nov 2020
Christmas (2020) is coming!
Jul 2020
Happy -3+3√2-sin(e) 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!
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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
raspberry pi
advent calendar
warwick
light
mean
javascript
radio 4
golden spiral
tennis
logic
error bars
latex
fence posts
numerical analysis
flexagons
gaussian elimination
nonograms
pythagoras
game show probability
mathslogicbot
final fantasy
approximation
kenilworth
electromagnetic field
arrangement puzzles
harriss spiral
fonts
realhats
captain scarlet
hannah fry
matrices
python
propositional calculus
recursion
graphs
convergence
youtube
live stream
bubble bobble
finite element method
phd
binary
craft
mathsteroids
crossnumbers
anscombe's quartet
tetris
manchester science festival
databet
alphabets
inverse matrices
folding paper
newcastle
sobolev spaces
zines
people maths
ternary
mathsjam
frobel
chess
finite group
wave scattering
the aperiodical
matrix of cofactors
programming
accuracy
correlation
numbers
logo
matrix multiplication
statistics
martin gardner
palindromes
chebyshev
christmas
oeis
map projections
arithmetic
stickers
wordle
determinants
friendly squares
matt parker
books
cambridge
graph theory
football
dataset
runge's phenomenon
noughts and crosses
pi approximation day
data
interpolation
guest posts
gather town
platonic solids
european cup
crosswords
rugby
draughts
hyperbolic surfaces
pizza cutting
pokémon wordle
weak imposition
video games
simultaneous equations
royal institution
royal baby
geometry
pascal's triangle
world cup
errors
thirteen
go
crochet
curvature
dates
speed
folding tube maps
machine learning
christmas card
bots
cross stitch
asteroids
ucl
stirling numbers
manchester
crossnumber
hats
menace
dragon curves
london underground
kings
fractals
computational complexity
pac-man
triangles
rust
reuleaux polygons
signorini conditions
inline code
data visualisation
tmip
chalkdust magazine
london
talking maths in public
a gamut of games
coins
boundary element methods
exponential growth
golden ratio
reddit
national lottery
standard deviation
preconditioning
24 hour maths
sport
trigonometry
sound
bodmas
probability
pokémon
news
nine men's morris
hexapawn
weather station
edinburgh
php
game of life
turtles
logs
coventry
matrix of minors
bluesky
wool
braiding
quadrilaterals
plastic ratio
dinosaurs
rhombicuboctahedron
gerry anderson
regular expressions
puzzles
big internet math-off
sorting
datasaurus dozen
countdown
games
misleading statistics
pi
partridge puzzle
estimation
polynomials
squares
geogebra
bempp
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