Advent calendar 2016

Archive

Show me a random puzzle

Tags

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