In English we use the word combination loosely, without thinking if the order of things is important. In other words:

Find out how many different ways to choose items. For an in-depth explanation of the formulas please visit Combinations and Permutations.

Illustrated definition of Permutation: Any of the ways we can arrange things, where the order is important. Example: You want to visit the homes of three...

Combinations and Permutations. Combinations and Permutations Calculator.

Apr 19, 2010 · Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. For K-12 kids, teachers and parents.

Here are some really useful applications to speed your way to that all-important solution.

A lottery is a type of gambling where people buy tickets, and then win if their numbers get chosen. A lot is something that happens by chance.

In its simplest form the domain is all the values that go into a function, and the range is all the values that come out.

Illustrated definition of Combination: Any of the ways we can combine things, when the order does not matter. Example: For a fruit salad, how many different...

Trigonometry: from Greek trigonon triangle + metron measure. Want to learn Trigonometry? Here is a quick summary. Follow the links for more, or...