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Comments in green were written by me. Comments in blue were not written by me.
2015-12-28
How many wrong answers do I have ? And when will you publish the solutions ?
Anonymous2
on
/blog/23
×3
×3
×2
×3
×3
2015-12-28
@
Anonymous2
: Other winners and answers will be available from 1st January
Matthew
on
/blog/23
×2
×3
×3
×3
×3
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A bad Puzzle for Today
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Origins of World War I
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The importance of estimation error
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Solving the cross diagonal cover problem
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Braiding, pt. 2
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Proving Pythagoras' theorem
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Off-by-one errors
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Approximating π
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Build your own MENACE
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Christmas (2020) is coming!
Jul 2020
Happy 18+φ+√2 Approximation Day!
May 2020
A surprising fact about quadrilaterals
Interesting tautologies
Mar 2020
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
▼ show ▼
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Dec 2019
Visualising MENACE's learning
Christmas card 2019
Nov 2019
Christmas (2019) is coming!
Sep 2019
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
Jan 2019
Christmas (2018) is over
2018
▼ show ▼
▲ hide ▲
Dec 2018
Christmas cross stitch
MENACE in fiction
Christmas card 2018
Nov 2018
Christmas (2018) is coming!
Sep 2018
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 ▼
▲ hide ▲
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
determinants
martin gardner
dates
arithmetic
oeis
go
football
programming
finite element method
bots
newcastle
24 hour maths
reddit
draughts
realhats
dragon curves
final fantasy
error bars
squares
royal baby
pi approximation day
gerry anderson
inline code
simultaneous equations
logs
sorting
european cup
captain scarlet
electromagnetic field
data
dataset
matt parker
books
the aperiodical
mathslogicbot
approximation
sound
pac-man
speed
matrix of cofactors
chess
game show probability
recursion
guest posts
polynomials
inverse matrices
friendly squares
standard deviation
errors
anscombe's quartet
misleading statistics
quadrilaterals
mathsteroids
advent calendar
menace
map projections
bubble bobble
matrix of minors
tmip
pascal's triangle
royal institution
databet
live stream
latex
manchester science festival
puzzles
golden spiral
sobolev spaces
stickers
crossnumber
cross stitch
exponential growth
curvature
light
reuleaux polygons
flexagons
video games
php
christmas card
kings
craft
dinosaurs
news
accuracy
fonts
ucl
graphs
interpolation
braiding
mean
estimation
rhombicuboctahedron
turtles
raspberry pi
fractals
triangles
london underground
bodmas
golden ratio
stirling numbers
chebyshev
world cup
numerical analysis
pi
pizza cutting
geogebra
javascript
wool
asteroids
finite group
convergence
tennis
boundary element methods
edinburgh
gaussian elimination
data visualisation
runge's phenomenon
correlation
ternary
numbers
pythagoras
folding paper
people maths
matrices
harriss spiral
weather station
probability
bempp
fence posts
frobel
hyperbolic surfaces
hats
phd
countdown
game of life
london
trigonometry
coins
python
radio 4
logo
statistics
noughts and crosses
sport
rugby
games
gather town
hannah fry
national lottery
graph theory
platonic solids
logic
matrix multiplication
manchester
machine learning
geometry
a gamut of games
christmas
plastic ratio
preconditioning
palindromes
crochet
weak imposition
cambridge
big internet math-off
wave scattering
nine men's morris
datasaurus dozen
signorini conditions
folding tube maps
talking maths in public
youtube
regular expressions
chalkdust magazine
hexapawn
binary
propositional calculus
zines
computational complexity
mathsjam
© Matthew Scroggs 2012–2025
on /blog/23