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Comments in green were written by me. Comments in blue were not written by me.
2025-12-18
Question: For the Dec 15 puzzle, does a trivial solution in which the only odd factor is 1 count? Nothing in the text prohibits this currently, but want to make sure this was not just overlooked.
Dan Whitman
on
/blog/120
2025-12-18
@
Dan Whitman
: yes, they count
Matthew
on
/blog/120
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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
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Jan 2020
PhD thesis, chapter 1
Gaussian elimination
Matrix multiplication
Christmas (2019) is over
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Visualising MENACE's learning
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A non-converging LaTeX document
TMiP 2019 treasure punt
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Proving a conjecture
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Harriss and other spirals
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realhats
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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!
MENACE at Manchester Science Festival
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Big Ben Strikes Again
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The end of coins of constant width
Dragon curves II
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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
Christmas card 2016
Nov 2016
Christmas (2016) is coming!
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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 ▼
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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
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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
wave scattering
crosswords
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warwick
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approximation
dragon curves
sobolev spaces
the aperiodical
wool
data
kings
hexapawn
golden ratio
hyperbolic surfaces
crossnumber
pizza cutting
gerry anderson
christmas card
final fantasy
probability
geogebra
graph theory
captain scarlet
golden spiral
chebyshev
mathsteroids
thirteen
asteroids
ternary
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pi
game show probability
determinants
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books
menace
logs
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hats
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big internet math-off
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oeis
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bodmas
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youtube
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matrix of minors
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logo
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puzzles
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royal baby
talking maths in public
martin gardner
live stream
royal institution
inverse matrices
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bempp
fence posts
nonograms
map projections
polynomials
dates
pac-man
arrangement puzzles
pokémon wordle
regular expressions
squares
bluesky
wordle
cambridge
kenilworth
numerical analysis
reddit
turtles
matrix multiplication
latex
sorting
noughts and crosses
european cup
matrix of cofactors
stickers
databet
triangles
programming
folding tube maps
tmip
crossnumbers
game of life
fractals
php
rugby
convergence
rust
manchester science festival
flexagons
palindromes
weak imposition
light
draughts
zines
graphs
mathsjam
inline code
pascal's triangle
speed
a gamut of games
geometry
reuleaux polygons
quadrilaterals
weather station
friendly squares
craft
guest posts
coins
signorini conditions
statistics
partridge puzzle
matt parker
bots
misleading statistics
python
go
mathslogicbot
christmas
chess
folding paper
realhats
computational complexity
edinburgh
curvature
frobel
pi approximation day
arithmetic
newcastle
javascript
boundary element methods
numbers
dataset
standard deviation
cross stitch
platonic solids
preconditioning
data visualisation
fonts
video games
matrices
national lottery
datasaurus dozen
manchester
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people maths
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chalkdust magazine
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interpolation
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