Introduction - If you have any usage issues, please Google them yourself
Design a imitate POS cashier s procedure, the food according to Numbers/name/price way in advance written in a file (text files or binary file). To the customer when the bill, input purchases Numbers and quantity, the system automatically calculate the price and total price. The last to print out the total price. Payment, assistant total payment amount input, the system of the numerical value of print for change.
(1) in addition, the system needs to show total turnover and save to daily file.
(2) pay for every user of the details, written to detail file. And should have every single the aggregate amount.
(3) output various food sold on the quantity and the charges were small gauge