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Comments in green were written by me. Comments in blue were not written by me.
2016-12-24
Hi Matthew, thx for the wonderful riddles. I still get a 4-digit answer for Dec 3rd, can you help me out? Thanks so much!
Fred
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/blog/36
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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
Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
2019
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Visualising MENACE's learning
Christmas card 2019
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A non-converging LaTeX document
TMiP 2019 treasure punt
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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
2018
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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 ▼
▲ 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
runge's phenomenon
newcastle
matrix of cofactors
go
edinburgh
raspberry pi
speed
golden spiral
gather town
errors
binary
royal baby
logo
fonts
hyperbolic surfaces
matrices
hannah fry
ucl
wool
signorini conditions
friendly squares
bots
braiding
hats
stickers
dinosaurs
dates
ternary
php
royal institution
game of life
game show probability
latex
simultaneous equations
mathsjam
numerical analysis
24 hour maths
tennis
flexagons
talking maths in public
chess
martin gardner
finite group
graph theory
radio 4
squares
javascript
national lottery
live stream
mathsteroids
matrix of minors
craft
cross stitch
bubble bobble
approximation
curvature
sound
stirling numbers
regular expressions
captain scarlet
tmip
interpolation
palindromes
guest posts
rugby
finite element method
world cup
determinants
kings
fractals
preconditioning
people maths
folding paper
turtles
sobolev spaces
puzzles
machine learning
inline code
sport
pi
christmas
logs
inverse matrices
golden ratio
the aperiodical
gerry anderson
games
oeis
wave scattering
video games
exponential growth
weather station
realhats
draughts
mean
programming
chalkdust magazine
graphs
dataset
nine men's morris
asteroids
propositional calculus
data
fence posts
youtube
crossnumbers
statistics
estimation
geometry
triangles
map projections
dragon curves
matt parker
mathslogicbot
geogebra
platonic solids
menace
trigonometry
pascal's triangle
advent calendar
anscombe's quartet
phd
zines
convergence
bempp
matrix multiplication
weak imposition
news
rhombicuboctahedron
reuleaux polygons
correlation
pythagoras
coins
chebyshev
logic
boundary element methods
misleading statistics
big internet math-off
pi approximation day
databet
arithmetic
recursion
manchester
pizza cutting
data visualisation
pac-man
hexapawn
london
final fantasy
python
quadrilaterals
standard deviation
datasaurus dozen
european cup
polynomials
crossnumber
electromagnetic field
noughts and crosses
harriss spiral
a gamut of games
gaussian elimination
cambridge
christmas card
probability
reddit
countdown
crochet
crosswords
computational complexity
error bars
plastic ratio
manchester science festival
folding tube maps
sorting
books
light
accuracy
london underground
frobel
bodmas
football
numbers
© Matthew Scroggs 2012–2025
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