Advent calendar 2017

Archive

Show me a random puzzle

Tags

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