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Delphi source code for Math >> Convert a hexadecimal number into a binary number


Category: Math
Title: Convert a hexadecimal number into a binary number
Date added: 15.03.2006
Hits: 20681



function HexToBin(Hexadecimal: string): string;
const
  BCD: array [0..15] of string =
    ('0000', '0001', '0010', '0011', '0100', '0101', '0110', '0111',
    '1000', '1001', '1010', '1011', '1100', '1101', '1110', '1111');
var
  i: integer;
begin
  for i := Length(Hexadecimal) downto 1 do
    Result := BCD[StrToInt('$' + Hexadecimal[i])] + Result;
end;


procedure TForm1.Button1Click(Sender: TObject);
begin
  ShowMessage(HexToBin('FAA4'));
end;

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