A billing software is equipped with a number of associated gadgets such as monitor, barcode scanner and receipt printer, the combined use of which helps a merchant to obtain an accurate sum. A billing software is used in different places like retail stores, supermarkets, restaurants and hotels among others.Helping merchants to generate bills and invoices for transactions, a billing software is a very helpful machine used at the point of sale. This machine enables a merchant to find out the total amount of bill that a customer owes to the merchant.