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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Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018

Sunday Afternoon Maths LXVI

Cryptic crossnumber #2

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


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