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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 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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Big Internet Math-Off stickers 2019
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Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
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Christmas (2018) is over
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Dec 2018
Christmas cross stitch
MENACE in fiction
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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
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Countdown probability, pt. 2
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Mar 2014
New machine unfriendly £1 coin, pt. 2
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2013
▼ show ▼
▲ hide ▲
Dec 2013
Assorted christmaths
Pointless probability
Jul 2013
"Uncanny" royal coincidence
Raspberry Pi weather station
2012
▼ show ▼
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Nov 2012
Tube map Platonic solids, pt. 2
Oct 2012
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Tags
pi approximation day
pi
tennis
bempp
estimation
map projections
golden ratio
interpolation
cross stitch
fonts
game show probability
geogebra
binary
data visualisation
php
signorini conditions
dinosaurs
crossnumber
logs
coins
standard deviation
nine men's morris
mean
cambridge
edinburgh
reddit
squares
programming
sobolev spaces
craft
datasaurus dozen
boundary element methods
pascal's triangle
national lottery
matrices
accuracy
statistics
wool
world cup
data
chalkdust magazine
quadrilaterals
frobel
a gamut of games
draughts
dragon curves
misleading statistics
final fantasy
hannah fry
sound
hyperbolic surfaces
braiding
convergence
countdown
royal baby
exponential growth
talking maths in public
puzzles
big internet math-off
mathslogicbot
martin gardner
matrix of cofactors
plastic ratio
approximation
royal institution
youtube
gaussian elimination
logo
platonic solids
chebyshev
oeis
dates
tmip
news
captain scarlet
hexapawn
folding tube maps
christmas card
rhombicuboctahedron
newcastle
hats
matrix multiplication
the aperiodical
london underground
computational complexity
anscombe's quartet
harriss spiral
zines
video games
propositional calculus
realhats
polynomials
wave scattering
sorting
machine learning
mathsteroids
stickers
gather town
raspberry pi
dataset
finite element method
phd
curvature
sport
runge's phenomenon
error bars
mathsjam
geometry
light
probability
ucl
javascript
chess
guest posts
games
electromagnetic field
asteroids
reuleaux polygons
preconditioning
matt parker
determinants
graph theory
european cup
rugby
latex
crochet
live stream
inline code
folding paper
go
pac-man
triangles
numerical analysis
manchester
advent calendar
graphs
inverse matrices
simultaneous equations
databet
golden spiral
logic
errors
football
weak imposition
correlation
matrix of minors
menace
finite group
palindromes
noughts and crosses
bubble bobble
python
radio 4
pythagoras
turtles
fractals
pizza cutting
christmas
stirling numbers
weather station
gerry anderson
ternary
numbers
manchester science festival
bodmas
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books
recursion
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people maths
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london
24 hour maths
fence posts
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