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Comments in green were written by me. Comments in blue were not written by me.
2018-12-09
Loved these puzzles! I have no idea how to approach #9, though. Will the solutions be posted at any point? Or, can anyone provide a hint to how to approach it?
Seth
on
/blog/59
2018-12-10
@
Seth
: try solving it for 3a+4b, 3a+5b, 4a+5b, etc and look for patterns
Matthew
on
/blog/59
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A surprising fact about quadrilaterals
Interesting tautologies
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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
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PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
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A non-converging LaTeX document
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Big Internet Math-Off stickers 2019
Jun 2019
Proving a conjecture
Apr 2019
Harriss and other spirals
Mar 2019
realhats
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Christmas (2018) is over
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▼ show ▼
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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
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Big Ben Strikes Again
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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 ▼
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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
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
fonts
manchester
standard deviation
dates
go
machine learning
misleading statistics
tennis
matrices
errors
noughts and crosses
light
dinosaurs
folding tube maps
determinants
interpolation
fractals
24 hour maths
binary
talking maths in public
gather town
martin gardner
hexapawn
numbers
fence posts
rugby
weak imposition
probability
royal institution
guest posts
puzzles
hyperbolic surfaces
european cup
recursion
live stream
news
palindromes
graph theory
dragon curves
inline code
logic
pi
geogebra
turtles
phd
final fantasy
big internet math-off
tmip
anscombe's quartet
people maths
convergence
signorini conditions
finite element method
books
php
christmas
ucl
frobel
accuracy
golden spiral
the aperiodical
mathslogicbot
estimation
wave scattering
chebyshev
wool
game show probability
exponential growth
newcastle
gaussian elimination
numerical analysis
advent calendar
edinburgh
javascript
sport
rhombicuboctahedron
mathsjam
london underground
crochet
statistics
polynomials
reddit
nine men's morris
sobolev spaces
runge's phenomenon
pizza cutting
boundary element methods
data
gerry anderson
triangles
plastic ratio
stirling numbers
logs
matrix of cofactors
matrix of minors
latex
chalkdust magazine
countdown
hannah fry
sound
a gamut of games
computational complexity
propositional calculus
logo
programming
matt parker
weather station
game of life
curvature
finite group
simultaneous equations
pascal's triangle
sorting
craft
mathsteroids
bubble bobble
draughts
crossnumber
reuleaux polygons
oeis
graphs
games
correlation
zines
dataset
approximation
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speed
pi approximation day
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pac-man
pythagoras
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map projections
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youtube
geometry
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trigonometry
preconditioning
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ternary
stickers
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coins
arithmetic
datasaurus dozen
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folding paper
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on /blog/59