A Permutations Calculator (nPr) computes the number of arrangements of objects selected from a larger set. It considers both the order and the number of objects chosen, using the formula nPr = n! / (n - r)!. This calculator is crucial in combinatorics for solving problems involving arrangements and selections of objects without replacement. It aids in analyzing various scenarios, such as permutations of letters, numbers, or items in a set. https://calculatoruniverse.com..../permutations-calcul