partition - a grouping of its elements into non-empty subsets, in such a way that every element is included in exactly one subset.
Free Cross Partitions Calculator - Given a set of partitions, this determines the cross partitions.
Free Interval Partition Calculator - Given a partitioned interval, this evaluates the norm (mesh) by calculating each subinterval
Free Ordered and Unordered Partitions Calculator - Given a population size (n) and a group population of (m), this calculator determines how many ordered or unordered groups of (m) can be formed from (n)
Free Power Sets and Set Partitions Calculator - Given a set S, this calculator will determine the power set for S and all the partitions of a set.