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Advent calendar 2015

3 December

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?
Tags: menace

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Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

Sunday Afternoon Maths LXV

Cryptic crossnumber #1
Breaking Chocolate
Square and cube endings

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indices addition games crossnumbers mean grids perfect numbers money prime numbers parabolas ellipses cryptic crossnumbers partitions hexagons differentiation colouring integers star numbers multiples bases palindromes quadratics geometry shapes division speed logic dodecagons advent chalkdust crossnumber digits proportion floors cube numbers chess irreducible numbers lines multiplication doubling regular shapes people maths complex numbers cryptic clues 3d shapes unit fractions time means perimeter 2d shapes square roots angles coordinates trigonometry planes rectangles ave graphs taxicab geometry books numbers factors area sequences pascal's triangle wordplay circles dice menace square numbers sport fractions percentages calculus sums functions integration arrows clocks cards surds christmas volume chocolate triangles coins odd numbers probabilty algebra factorials remainders symmetry triangle numbers averages balancing crosswords routes spheres probability polygons sum to infinity squares dates shape rugby number scales folding tube maps

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