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Comments in green were written by me. Comments in blue were not written by me.
2024-12-23
For Day 23: "so that every 9×9 block of squares in the grid contains" perhaps should read "so that every 3×3 block of 9 squares in the grid contains"
Dr. Matrix
on
/blog/111
×1
2024-12-23
@
Dr. Matrix
: Thanks, I've corrected it
Matthew
on
/blog/111
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A surprising fact about quadrilaterals
Interesting tautologies
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Log-scaled axes
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PhD thesis, chapter ∞
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PhD thesis, chapter 1
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Runge's Phenomenon
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Mathsteroids
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A bad Puzzle for Today
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A 20,000-to-1 baby?
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Origins of World War I
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Happy 4+g-τ-φ-√2 Approximation Day!
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A surprising fact about quadrilaterals
Interesting tautologies
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Log-scaled axes
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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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Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
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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
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Christmas (2018) is over
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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 ▼
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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 ▼
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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
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
pi
pac-man
games
pi approximation day
finite element method
quadrilaterals
fonts
martin gardner
fence posts
bots
guest posts
oeis
anscombe's quartet
numerical analysis
wool
geometry
palindromes
probability
a gamut of games
go
dataset
manchester
recursion
tennis
errors
noughts and crosses
computational complexity
fractals
regular expressions
runge's phenomenon
gaussian elimination
game show probability
kings
platonic solids
statistics
correlation
trigonometry
crossnumbers
harriss spiral
crossnumber
friendly squares
pascal's triangle
stirling numbers
world cup
radio 4
manchester science festival
convergence
data
matrix of cofactors
numbers
data visualisation
asteroids
sound
gerry anderson
mean
triangles
24 hour maths
news
reuleaux polygons
video games
wave scattering
electromagnetic field
turtles
football
graphs
chalkdust magazine
national lottery
exponential growth
bodmas
royal baby
european cup
mathslogicbot
the aperiodical
error bars
signorini conditions
mathsteroids
coins
big internet math-off
sport
rugby
polynomials
folding tube maps
map projections
arithmetic
matt parker
stickers
curvature
interpolation
accuracy
newcastle
hyperbolic surfaces
raspberry pi
sorting
mathsjam
python
people maths
final fantasy
matrices
ucl
game of life
talking maths in public
approximation
weather station
databet
royal institution
rhombicuboctahedron
latex
graph theory
logs
machine learning
gather town
folding paper
puzzles
christmas card
finite group
dinosaurs
edinburgh
javascript
pizza cutting
london underground
zines
realhats
preconditioning
logic
hats
misleading statistics
standard deviation
countdown
squares
pythagoras
london
binary
braiding
matrix multiplication
phd
menace
ternary
weak imposition
bubble bobble
plastic ratio
draughts
php
youtube
books
captain scarlet
geogebra
golden ratio
simultaneous equations
nine men's morris
crochet
hexapawn
speed
frobel
tmip
crosswords
programming
reddit
dragon curves
flexagons
boundary element methods
chebyshev
golden spiral
christmas
cambridge
propositional calculus
bempp
advent calendar
estimation
dates
chess
inline code
inverse matrices
determinants
light
live stream
logo
craft
hannah fry
matrix of minors
datasaurus dozen
sobolev spaces
cross stitch
© Matthew Scroggs 2012–2025
on /blog/111