How to Operate a Cash Register?

Most cash registers today are computerized and do all the work for you.! Almost all of them have scanners and all you have to do is run the bar code over the scanner and the machine reads the info. It will figure the tax and give you a sub total and then a total. All you really have to do is punch in the amount of payment and the type of payment and the machine will tell you how much cash is due the customer, if any.