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Comments in green were written by me. Comments in blue were not written by me.
2024-12-23
For Day 23: "so that every 9×9 block of squares in the grid contains" perhaps should read "so that every 3×3 block of 9 squares in the grid contains"
Dr. Matrix
on
/blog/111
×1
2024-12-23
@
Dr. Matrix
: Thanks, I've corrected it
Matthew
on
/blog/111
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Solving the cross diagonal cover problem
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Making names in Life
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Euro 2016 stickers
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Proving Pythagoras' theorem
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Mathematical Games
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New machine unfriendly £1 coin, pt. 2
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Assorted christmaths
Pointless probability
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"Uncanny" royal coincidence
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boundary element methods
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curvature
hannah fry
squares
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reuleaux polygons
christmas card
books
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arithmetic
manchester
harriss spiral
golden spiral
asteroids
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game show probability
wave scattering
polynomials
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rhombicuboctahedron
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simultaneous equations
rugby
convergence
triangles
draughts
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kings
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errors
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ucl
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pi
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games
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craft
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dataset
logic
youtube
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24 hour maths
frobel
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preconditioning
guest posts
data
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pizza cutting
live stream
chalkdust magazine
the aperiodical
tennis
sport
big internet math-off
javascript
sobolev spaces
people maths
noughts and crosses
pascal's triangle
folding tube maps
world cup
inverse matrices
radio 4
palindromes
probability
light
oeis
geogebra
regular expressions
tmip
gerry anderson
plastic ratio
misleading statistics
london underground
gather town
cambridge
cross stitch
crossnumber
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london
mean
anscombe's quartet
correlation
matrix of minors
a gamut of games
stickers
weak imposition
geometry
coins
ternary
zines
puzzles
accuracy
chebyshev
newcastle
fractals
hats
bodmas
stirling numbers
manchester science festival
map projections
talking maths in public
matrix of cofactors
hyperbolic surfaces
golden ratio
final fantasy
machine learning
matrices
signorini conditions
logo
royal institution
national lottery
graph theory
speed
sorting
folding paper
runge's phenomenon
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bots
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hexapawn
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programming
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crochet
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