Advent calendar 2016

Archive

Show me a random puzzle

Tags

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