Introduction - If you have any usage issues, please Google them yourself
1. Random phenomena simulation cases: There are a number of export supermarket cashier, the two services: collection, bagging. Customer' s arrival time interval is random due to the amount of freight customers to buy different, length of service is also random. Can make use of computer-generated subject to certain rules (probability distribution) of the (pseudo) random numbers, using a random number to determine the time interval and service time