Conversor de Moeda (BRL → USD) em Delphi

[NicolasHok]

unit Unit1;

interface

uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Classes,
Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;

type
TForm1 = class(TForm)
EditReais: TEdit;
EditCotacao: TEdit;
ButtonConverter: TButton;
LabelResultado: TLabel;
Label1: TLabel;
Label2: TLabel;
procedure ButtonConverterClick(Sender: TObject);
private
public
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.ButtonConverterClick(Sender: TObject);
var
Reais, Cotacao, Dolares: Double;
begin
Reais := StrToFloat(EditReais.Text);
Cotacao := StrToFloat(EditCotacao.Text);

Dolares := Reais / Cotacao;

LabelResultado.Caption := FloatToStr(Reais) + ' R$ = ' + FormatFloat('0.00', Dolares) + ' US$';
end;

end.


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