Advent calendar 2015

Archive

Show me a random puzzle

Tags

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