Advent calendar 2015

Archive

Show me a random puzzle

Tags

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