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Comments in green were written by me. Comments in blue were not written by me.
2023-01-09
In question 3 the sum of the red numbers is 369, is there a typo?
(anonymous)
on
/blog/100
×1
×2
×2
×2
×2
2023-01-09
@
(anonymous)
: There was a typo - I've just corrected it
Matthew
on
/blog/100
×3
×3
×3
×3
×3
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Log-scaled axes
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PhD thesis, chapter ∞
PhD thesis, chapter 5
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Inverting a matrix
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PhD thesis, chapter 1
Gaussian elimination
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Proving a conjecture
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Harriss and other spirals
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realhats
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Runge's Phenomenon
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World Cup stickers 2018, pt. 3
Mathsteroids
Jun 2018
World Cup stickers 2018, pt. 2
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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
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Christmas (2017) is coming!
MENACE at Manchester Science Festival
Jun 2017
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!
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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 ▼
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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
london underground
bubble bobble
hexapawn
mathsteroids
christmas
dinosaurs
statistics
anscombe's quartet
newcastle
approximation
nine men's morris
the aperiodical
trigonometry
pac-man
matrices
folding paper
ternary
light
chalkdust magazine
weather station
hyperbolic surfaces
triangles
fonts
programming
gaussian elimination
golden ratio
christmas card
golden spiral
palindromes
football
standard deviation
mean
errors
friendly squares
latex
coins
sound
python
reddit
javascript
hannah fry
inverse matrices
runge's phenomenon
martin gardner
rhombicuboctahedron
london
talking maths in public
chess
squares
kings
edinburgh
error bars
finite group
sorting
guest posts
youtube
people maths
captain scarlet
matrix of cofactors
manchester science festival
mathsjam
gather town
boundary element methods
mathslogicbot
go
preconditioning
polynomials
menace
chebyshev
tennis
geometry
datasaurus dozen
geogebra
exponential growth
zines
weak imposition
binary
raspberry pi
logic
national lottery
fence posts
frobel
bodmas
databet
logs
probability
pi
harriss spiral
manchester
stirling numbers
books
data
computational complexity
crossnumber
royal institution
phd
graphs
games
flexagons
php
electromagnetic field
live stream
logo
bempp
regular expressions
asteroids
curvature
stickers
hats
puzzles
dataset
radio 4
pizza cutting
pi approximation day
cross stitch
reuleaux polygons
misleading statistics
interpolation
matrix of minors
oeis
game show probability
ucl
sobolev spaces
speed
world cup
folding tube maps
simultaneous equations
draughts
news
big internet math-off
game of life
realhats
24 hour maths
plastic ratio
crochet
a gamut of games
quadrilaterals
matrix multiplication
map projections
numerical analysis
platonic solids
pascal's triangle
graph theory
convergence
dates
advent calendar
matt parker
machine learning
inline code
wave scattering
pythagoras
propositional calculus
recursion
royal baby
craft
determinants
arithmetic
cambridge
signorini conditions
data visualisation
video games
dragon curves
bots
gerry anderson
european cup
tmip
accuracy
turtles
correlation
fractals
noughts and crosses
rugby
sport
numbers
finite element method
countdown
estimation
braiding
final fantasy
wool
© Matthew Scroggs 2012–2025
on /blog/100