Advent calendar 2017

Archive

Show me a random puzzle

Tags

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