Main objective of this article is to discuss on development of Retail Cash Register. Retail Cash register is an electronic device used to analyze financial transactions. Most cash registers include a keyboard that is used to suggestions entries, a scanner of some type, a drawer that is used to hold cash, and a printing device pertaining to receipts. With the advancement of technology, cash registers can manage a wide selection of additional functions including charge card processing, personal check verification, and products tracking. This article will look at the way the retail cash register has developed coming from early coinage to chip and pin number machines. For companies, it is crucial that understand how the retail cash register has developed in to the EPoS machines we see today to be able to learn how to use them to their advantage.