Barcode scanner for obtaining product data, country of brand registration, checksum verification for EAN-13.

The application allows to determine the country and calculate the checksum by the barcode. Data entry can be done in two convenient ways:
1. Reading the barcode with a scanner (ie, your camera) - in this case, after receiving the code, the program will display the country of registration of the brand of the product (not to be confused with the production of the product) and will calculate the checksum (using the checksum, you can determine whether the product is genuine) ;