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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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Happy 1+sin(φ) Approximation Day!
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A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
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
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A non-converging LaTeX document
TMiP 2019 treasure punt
Jul 2019
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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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 ▼
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Dec 2017
Christmas card 2017
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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 ▼
▲ 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
weak imposition
24 hour maths
arithmetic
stickers
nine men's morris
graph theory
tennis
regular expressions
logic
polynomials
propositional calculus
signorini conditions
machine learning
probability
boundary element methods
error bars
squares
braiding
hyperbolic surfaces
final fantasy
mathslogicbot
php
stirling numbers
dragon curves
crosswords
london underground
statistics
palindromes
dataset
bempp
weather station
gaussian elimination
trigonometry
rugby
databet
royal baby
ternary
coins
errors
cross stitch
mathsjam
speed
fonts
craft
manchester
platonic solids
raspberry pi
european cup
nonograms
ucl
friendly squares
zines
data visualisation
logs
books
quadrilaterals
chess
talking maths in public
latex
correlation
pi
inverse matrices
newcastle
go
sorting
finite element method
anscombe's quartet
bodmas
game of life
standard deviation
javascript
realhats
mathsteroids
crossnumber
matrices
captain scarlet
news
flexagons
oeis
christmas card
curvature
matrix of cofactors
estimation
game show probability
rhombicuboctahedron
asteroids
fractals
runge's phenomenon
convergence
exponential growth
edinburgh
graphs
martin gardner
countdown
python
royal institution
preconditioning
phd
recursion
radio 4
the aperiodical
alphabets
accuracy
pi approximation day
london
guest posts
crochet
pascal's triangle
folding paper
matrix multiplication
numbers
sport
programming
kings
matrix of minors
national lottery
golden ratio
puzzles
noughts and crosses
bots
simultaneous equations
reddit
menace
tmip
data
numerical analysis
reuleaux polygons
people maths
matt parker
triangles
chebyshev
fence posts
football
light
manchester science festival
frobel
inline code
christmas
hexapawn
pythagoras
mean
wool
big internet math-off
turtles
misleading statistics
draughts
hats
approximation
gather town
dates
hannah fry
sobolev spaces
golden spiral
plastic ratio
a gamut of games
harriss spiral
geometry
interpolation
gerry anderson
sound
dinosaurs
games
chalkdust magazine
pizza cutting
finite group
world cup
electromagnetic field
wave scattering
bubble bobble
crossnumbers
determinants
pac-man
video games
youtube
map projections
datasaurus dozen
logo
folding tube maps
cambridge
live stream
advent calendar
geogebra
binary
computational complexity
© Matthew Scroggs 2012–2025
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