Amazon Digital Services LLC, 2017. — 59 p. — ISBN: 197395530X;
Never worry about understanding permutations and combinations again!
Никогда не волнуйтесь о понимании перестановок и комбинаций снова!
Overview of Permutations and Combinations
Counting Problems
A Counting Technique
Basics of permutations
Basics of Combinations
Mixed Permutations and Combination
Applications of Permutations and Combinations in Lottery
Counting Principles
Permutations
Combinations
Expected value of a lottery
Permutations for Poker Games
Resources and Further Readings