// calculator class to calculate factorials
// hussein suleman
// 25 march 2004

public class Calculator
{
	public int factorial ( int n )
	{
		int product = 1; // start with a product of 1
		for ( int i=1; i<=n; i++ )
		{
			product = product * i; // multipy by each factor
		}
		return product; // send result to caller
	}
}