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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 bad Puzzle for Today
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Happy 10+cos(τ) 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
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Inverting a matrix
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Jan 2020
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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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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Christmas cross stitch
MENACE in fiction
Christmas card 2018
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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
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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
mean
hannah fry
platonic solids
stickers
harriss spiral
ternary
crossnumber
people maths
golden spiral
error bars
dinosaurs
pythagoras
dataset
go
sobolev spaces
mathslogicbot
news
preconditioning
latex
european cup
rugby
craft
stirling numbers
graph theory
kings
regular expressions
advent calendar
london underground
the aperiodical
menace
countdown
numbers
polynomials
bots
folding paper
quadrilaterals
coins
phd
pizza cutting
flexagons
hats
football
electromagnetic field
determinants
matt parker
national lottery
datasaurus dozen
final fantasy
matrix of minors
pac-man
fence posts
mathsteroids
manchester
raspberry pi
realhats
wave scattering
matrix of cofactors
game show probability
logo
signorini conditions
boundary element methods
books
game of life
misleading statistics
talking maths in public
fractals
approximation
chebyshev
convergence
matrices
chess
machine learning
dragon curves
oeis
tennis
big internet math-off
speed
fonts
golden ratio
logic
reddit
pascal's triangle
draughts
programming
video games
gaussian elimination
logs
trigonometry
manchester science festival
hexapawn
php
sport
frobel
bodmas
anscombe's quartet
a gamut of games
puzzles
chalkdust magazine
live stream
noughts and crosses
computational complexity
folding tube maps
runge's phenomenon
simultaneous equations
world cup
guest posts
rhombicuboctahedron
propositional calculus
turtles
plastic ratio
light
arithmetic
finite element method
crochet
recursion
cross stitch
pi
inverse matrices
nine men's morris
friendly squares
databet
numerical analysis
dates
braiding
mathsjam
geogebra
royal baby
newcastle
gather town
24 hour maths
map projections
sound
javascript
wool
london
geometry
data visualisation
christmas card
bempp
inline code
python
weather station
radio 4
standard deviation
finite group
bubble bobble
graphs
sorting
interpolation
data
triangles
gerry anderson
curvature
tmip
ucl
martin gardner
probability
squares
errors
exponential growth
cambridge
youtube
matrix multiplication
hyperbolic surfaces
captain scarlet
christmas
reuleaux polygons
weak imposition
royal institution
palindromes
binary
edinburgh
asteroids
accuracy
pi approximation day
zines
games
estimation
correlation
statistics
© Matthew Scroggs 2012–2025
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