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	<title>Arif widiyanto &#187; Math</title>
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		<title>Arif widiyanto &#187; Math</title>
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		<title>Delphi &#8211; Validasi IBAN</title>
		<link>http://arifw.wordpress.com/2008/04/24/delphi-validasi-iban/</link>
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		<pubDate>Wed, 23 Apr 2008 20:41:11 +0000</pubDate>
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				<category><![CDATA[Delphi]]></category>
		<category><![CDATA[Math]]></category>
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function ChangeAlpha(input: string): string;
var
  a: Char;
begin
  Result := input;
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  begin
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end;
function CalculateDigits(iban: string): Integer;
var
  v, l: Integer;
  alpha: string;
  number: Longint;
  rest: Integer;
begin
  iban := UpperCase(iban);
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		<title>Delhpi &#8211; Menghitung Usia</title>
		<link>http://arifw.wordpress.com/2008/04/24/delhpi-menghitung-usia/</link>
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		<pubDate>Wed, 23 Apr 2008 20:38:14 +0000</pubDate>
		<dc:creator>arifw</dc:creator>
				<category><![CDATA[Delphi]]></category>
		<category><![CDATA[Math]]></category>
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function CalculateAge(Birthday, CurrentDate: TDate): Integer;
var
  Month, Day, Year, CurrentYear, CurrentMonth, CurrentDay: Word;
begin
  DecodeDate(Birthday, Year, Month, Day);
  DecodeDate(CurrentDate, CurrentYear, CurrentMonth, CurrentDay);
  if (Year = CurrentYear) and (Month = CurrentMonth) and (Day = CurrentDay) then
  begin
    Result := 0;
  end
  else
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		<title>Delphi &#8211; Periksa apakah sebuah titik 2D ada dalam sebuah segitiga 2D</title>
		<link>http://arifw.wordpress.com/2008/04/24/delphi-periksa-apakah-sebuah-titik-2d-ada-dalam-sebuah-segitiga-2d/</link>
		<comments>http://arifw.wordpress.com/2008/04/24/delphi-periksa-apakah-sebuah-titik-2d-ada-dalam-sebuah-segitiga-2d/#comments</comments>
		<pubDate>Wed, 23 Apr 2008 20:35:11 +0000</pubDate>
		<dc:creator>arifw</dc:creator>
				<category><![CDATA[Delphi]]></category>
		<category><![CDATA[Math]]></category>
		<category><![CDATA[Programming]]></category>

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function PntInTriangle(Px, Py, x1, y1, x2, y2, x3, y3: Double): Boolean;
var
  Or1, Or2, Or3: Double;
begin
  Or1    := Orientation(x1, y1, x2, y2, Px, Py);
  Or2    := Orientation(x2, y2, x3, y3, Px, Py);
  Or3    := Orientation(x3, y3, x1, y1, Px, Py);
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