Advent calendar 2016

Archive

Show me a random puzzle

Tags

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