factorial

Factorial, Permutation and Combination

Submitted by hotmash19 on
Factorials A factorial is represented by the sign (!). When we encounter n! (known as 'n factorial') we say that a factorial is the product of all the whole numbers between 1 and n, where n must always be positive. For example 1! = 1 = 1 2! = 2 x 1 = 2 3! = 3 x 2 x 1 = 6 4! = 4 x 3 x 2 x 1 = 24 5! = 5 x 4 x 3 x 2 x 1 = 120 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720 etc... Permutations and Combinations

Factorial of a Number using Java GUI

Submitted by donbermoy on
In this tutorial, i will going to teach you how to create a program that computes factorial of a number. We all know that factorial is defined only for natural numbers and it means as the continued product of successive natural numbers from 1 to the number inputted. Now let's start this tutorial! 1. Open JCreator or NetBeans and make a java program with a file name of factorial.java. 2. Import javax.swing package.
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