Advent calendar 2015

Archive

Show me a random puzzle

Tags

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