Los Angeles Math Circle 
2/24  Beginners: Combinatorics IToday we are going to talk about a subject of math that really counts, combinatorics. Combinatorics is known as the math of counting, however the counting itself is usually not the point. The point is the clever arguments that allow the counting to be done at all. Combinatorics is a mainstay of mathematical puzzles and competitions alike, as it is an extremely rich field of math which is still elementary.
