added some detail in this code, you can generate report and print invoice printer atm generate bar code. You can also use bar code reader is ready to be used and improved.
User data are encoded
user can select different themes user Jornesio password 12345

this is an amended version posted here by jaysfall

Portuguese language spoken

acrescentou alguns detalhes neste código, você pode gerar o relatório e impressão da fatura de impressora de código de barras atm generate. Também é possível usar o leitor de código de barras está pronto para ser utilizado e melhorado.
Os dados do usuário são codificados
usuário pode selecionar diferentes temas senha Jornesio 12345

esta é uma versão alterada postado aqui por jaysfall

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