Here you can find the source of binomialCoefficient(int n, int k)
private static double binomialCoefficient(int n, int k)
//package com.java2s; /*/*from w ww . j a v a 2 s . c o m*/ * EuroCarbDB, a framework for carbohydrate bioinformatics * * Copyright (c) 2006-2009, Eurocarb project, or third-party contributors as * indicated by the @author tags or express copyright attribution * statements applied by the authors. * * This copyrighted material is made available to anyone wishing to use, modify, * copy, or redistribute it subject to the terms and conditions of the GNU * Lesser General Public License, as published by the Free Software Foundation. * A copy of this license accompanies this distribution in the file LICENSE.txt. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * for more details. * * Last commit: $Rev: 1210 $ by $Author: glycoslave $ on $Date:: 2009-06-12 #$ */ public class Main { private static double binomialCoefficient(int n, int k) { double ret = 1; for (int i = n; i > k; i--) ret *= i; return ret; } }