Advent calendar 2016

Archive

Show me a random puzzle

Tags

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