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Advent calendar 2015
3 December
All 2015 advent puzzles
~
More information
In August, I wrote about
MENACE
, a machine learning robot built from matchboxes which plays noughts and crosses. How many matchboxes are needed to build MENACE?
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304
Tags:
menace
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folding tube maps
indices
menace
polynomials
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dominos
integers
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complex numbers
cryptic clues
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perimeter
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2d shapes
addition
colouring
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bases
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Archive
Show me a random puzzle
▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2025
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
List of all puzzles
Tags
fractions
addition
powers
complex numbers
digital products
scales
grids
gerrymandering
partitions
arrows
cryptic clues
integration
doubling
digital clocks
geometric means
routes
pentagons
parabolas
binary
rectangles
squares
square grids
advent
spheres
square roots
sport
balancing
irreducible numbers
proportion
sums
perimeter
wordplay
shapes
money
number
probabilty
medians
floors
volume
sequences
triangle numbers
cryptic crossnumbers
circles
time
3d shapes
ave
median
regular shapes
consecutive numbers
quadrilaterals
quadratics
taxicab geometry
unit fractions
perfect numbers
polynomials
angles
shape
chess
matrices
ellipses
speed
numbers
hexagons
cards
people maths
prime factors
books
averages
coins
menace
lines
coordinates
odd numbers
remainders
prime numbers
dice
bases
cubics
graphs
2d shapes
multiples
percentages
crossnumbers
indices
differentiation
lists
cube numbers
colouring
means
multiplaction squares
tiling
surds
star numbers
decahedra
mean
digits
calculus
crosswords
pascal's triangle
geometry
elections
area
the only crossnumber
geometric mean
expansions
symmetry
chalkdust crossnumber
trigonometry
tournaments
clocks
rugby
christmas
palindromes
axes
dates
range
algebra
xor
even numbers
neighbours
functions
sum to infinity
folding tube maps
multiplication
consecutive integers
factors
integers
sets
tangents
dominos
albgebra
polygons
determinants
combinatorics
probability
square numbers
dodecagons
products
planes
chocolate
games
logic
triangles
factorials
division
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