Excel uses the function RAND () to return a random and uniformly distributed number between 0 and 1, every time the worksheet is calculated. If you are analyzing how fluctuations in sales will ...

Theodore P. Hill, Almost Sure Stability of Partial Sums of Uniformly Bounded Random Variables, Proceedings of the American Mathematical Society, Vol. 89, No. 4 (Dec., 1983), pp. 685-690 ...