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Comments in green were written by me. Comments in blue were not written by me.
2025-09-13
Great to do remotely, thanks! I think there is a typo in your solution for clue 4 although final answer is correct. Last sum prior to answer should read 1951 x 1/2 x 1949 x 1950 I think.
Lizzie
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Interesting tautologies
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Log-scaled axes
Feb 2020
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
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A non-converging LaTeX document
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A bad Puzzle for Today
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Building MENACEs for other games
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A 20,000-to-1 baby?
World Cup stickers 2018
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Origins of World War I
Christmas (2017) is over
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Christmas (2017) is coming!
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The end of coins of constant width
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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
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Nov 2016
Christmas (2016) is coming!
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Logical contradictions
Palindromic dates
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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
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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 ▼
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Nov 2012
Tube map Platonic solids, pt. 2
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Tube map Platonic solids
Tags
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fence posts
game show probability
dataset
coins
reddit
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arrangement puzzles
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go
matrices
sound
royal baby
programming
correlation
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friendly squares
electromagnetic field
logic
warwick
speed
thirteen
pokémon wordle
chebyshev
noughts and crosses
platonic solids
hats
european cup
football
rhombicuboctahedron
anscombe's quartet
bempp
arithmetic
realhats
london underground
big internet math-off
inverse matrices
mathslogicbot
graph theory
inline code
computational complexity
the aperiodical
chess
hyperbolic surfaces
hexapawn
phd
manchester science festival
recursion
harriss spiral
nonograms
martin gardner
final fantasy
light
error bars
stirling numbers
bodmas
nine men's morris
pi approximation day
sorting
partridge puzzle
london
runge's phenomenon
games
rugby
folding paper
mathsjam
graphs
wordle
machine learning
menace
folding tube maps
datasaurus dozen
countdown
python
probability
statistics
estimation
mathsteroids
quadrilaterals
numbers
bots
manchester
bluesky
mean
dinosaurs
draughts
cross stitch
royal institution
crochet
trigonometry
golden spiral
puzzles
kings
pizza cutting
regular expressions
video games
pascal's triangle
edinburgh
advent calendar
determinants
finite element method
alphabets
rust
logo
simultaneous equations
ternary
golden ratio
gaussian elimination
braiding
live stream
interpolation
dragon curves
oeis
newcastle
hannah fry
turtles
kenilworth
databet
misleading statistics
crossnumbers
matrix of cofactors
map projections
data visualisation
wool
boundary element methods
talking maths in public
pac-man
latex
a gamut of games
24 hour maths
stickers
gerry anderson
coventry
gather town
matrix of minors
palindromes
national lottery
guest posts
preconditioning
ucl
errors
world cup
reuleaux polygons
geogebra
php
asteroids
squares
christmas
standard deviation
zines
radio 4
frobel
approximation
game of life
youtube
matt parker
numerical analysis
polynomials
javascript
exponential growth
chalkdust magazine
sobolev spaces
craft
data
news
dates
cambridge
crosswords
geometry
triangles
signorini conditions
people maths
fonts
crossnumber
pi
curvature
sport
tmip
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bubble bobble
weak imposition
propositional calculus
pythagoras
convergence
finite group
tetris
matrix multiplication
books
tennis
accuracy
captain scarlet
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