Delphi dicas

Converte um numero decimal em algarismos romanos

Function DecToRoman( Decimal: LongInt ): String;

const

Romans: Array[1..13] of String = ( 'I', 'IV', 'V', 'IX', 'X', 'XL', 'L',

'XC', 'C', 'CD', 'D', 'CM', 'M' );

Arabics: Array[1..13] of Integer =( 1, 4, 5, 9, 10, 40, 50, 90, 100,

400, 500, 900, 1000);

var

i: Integer;

scratch: String;

begin

        scratch := '';

        for i := 13 downto 1 do

        while ( Decimal >= Arabics[i] ) do

        begin

                Decimal := Decimal - Arabics[i];

                scratch := scratch + Romans[i];

        end;

        Result := scratch;

end;

por : Roberto Teixeira