This App serves to estimate, based on the official rules of the Nubank® credit card issuer, the amount in reais (BRL) that will be paid according to the amount in US dollars (USD) informed by the user. No pranks and no advertisements. Totally free under the "Attribution 4.0 International (CC BY 4.0)" license. Recalling that this App has no connection with Nubank® or its partners, it is a utility to help the user to decide if it is worthwhile or not to make a certain purchase in dollars by glimpsing, in advance, their accurate estimate in reais to be charged .Credits:Author: Rayan Ralile (github - https://github.com/rayanralile/DolarCartao)Icons taken from Icons8.com - https://icons8.com/Dollar calculation rules followed by the App:https://blog.nubank.com.br/nubank-trava-dolar-no-dia-do-gasto/