Advent calendar 2018

Archive

Show me a random puzzle

Tags

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