mscroggs.co.uk
mscroggs.co.uk

subscribe

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

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2025

Advent calendar 2024

Advent calendar 2023

Advent calendar 2022


List of all puzzles

Tags

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

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2026