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Combinatorics – combinations, arrangements and permutations
This calculator calculates the number of combinations, arrangements and permutations for given n and m
Combinations generator
This combinations calculator generates all possible combinations of m elements from the set of n elements.
Factor Pairs Generator
This calculator generates all pairs of factors for given integer.
Lottery Number Generator
This calculator generates a specified number of random integers within a given range.
Generator of combinations that satisfy a condition
For elements with weights this calculator can filter out all combinations where total weight is under the specified limit.
Team combinations, with conditions such as team roles and limits
This online calculator generates all possible combinations of creating a team using limiting conditions like team roles and limits
Set Combinations Calculator
The calculator is a combination generator that creates all possible combinations of items from different sets, and lists them in a table with columns labeled by set names and rows representing each combination.
Tips and tricks #11: Dynamic table columns
This article describes how to work with dynamic columns in your calculator
Team Combinations Generator
This online calculator generates all combinations of teams for a given number of players and team size, so that everyone can play with and against everyone.
Combinatorial number system
This online calculator represents given natural number as sequences of k-combinations, referred as the combinatorial number system of degree k (for some positive integer k), aka combinadics
Combination By Lexicographical Index
This online calculator finds combination by index in lexicographically ordered set.
Selection of distribution
This calculator arranges a given set of numbers in an order in which all sums of some set of combinations fall within a given range.
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