Advent calendar 2019

Archive

Show me a random puzzle

Tags

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