Light system for the control of your small business, grocery store, shoe store, where you keep a record of your sales, control of the section system, this is the first version that will be expanded later for greater control of your business, you do not have to Invest in expensive systems, use your cell phone, it has a barcode reader to facilitate registration or search, in the sales section, search by code, by description or by both. The system shows you the matches so that you add to your sales basket gives you the total to be charged
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