[SOLVED] Figure To Words Function (British Format)

function NumberToWords(Number: real): string;
var
    Billion: real;
    Million: real;
    Thousand: real;
    Hundred: real;
    Tens : Array[2..9] of string = ['','','Twenty','Thirty','Forty','Fifty','Sixty','Seventy','Eighty','Ninety'];
    Units: array[1..9] of string = ['','One','Two','Three','Four','Five','Six','Seven','Eight','Nine'];
    Teens: array[10..19] of string = ['Ten','Eleven','Twelve','Thirteen','Fourteen','Fifteen','Sixteen','Seventeen','Eighteen','Nineteen'];
begin                 
    Billion := 1000000000;
    Million := 1000000;
    Thousand := 1000;
    Hundred := 100;
    if (Number < 0) then Result := 'minus ' else Result := '';
    Number := Abs(Number);
    if (Number >= Billion) then
    begin
        Result := Result + NumberToWords(Number div Billion) + ' billion, ';
        Number := Number mod Billion;
    end;
    if (Number >= Million) then
    begin
        Result:= Result + NumberToWords(Number div Million) + ' million, ';
        Number:= Number mod Million;
    end;
    if (Number >= Thousand) then
    begin
        Result:= Result + NumberToWords(Number div Thousand) + ' thousand, ';
        Number:= Number mod Thousand;
    end;
    if (Number >= Hundred) then
    begin
        Result:= Result + NumberToWords(Number div Hundred) + ' hundred, ';
        Number:= Number mod Hundred;
    end;
    if (Number > 0) and (Result <> '') then
    begin
        Result := Trim(Result);
        if(Result[Length(Result)] = ',') then Delete(Result, Length(Result), 1);
        Result := Result + ' and ';
    end;
    if (Number >= 20) then
    begin
        Result := Result + Tens[StrToInt(FloatToStr(Number)) div 10] + ' ';
        Number := Number mod 10;
    end;
    if(Number >= 10) then
    begin
        Result :=Result + Teens[StrToInt(FloatToStr(Number mod 10))];
        Number := 0;
    end;
    if (Number >= 1) then Result := Result + Units[StrToInt(FloatToStr(Number))];
    Result := Trim(Result);
    if (Result = '') then Result := 'zero'
    else
    if (Result[Length(Result)] = ',') then Delete(Result, Length(Result), 1);
end;

procedure btnMoneyToWord(Sender: string; var Cancel: boolean);
var
    s: string;
    begin
        s:=NumberToWords(Form1.edAmount.Value);
        ShowMessage(s);
    end;

begin
end.