konversi antar sistem bilangan

<HTML>
<HEAD>
<TITLE>Konver Antar sistem Bilangan</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
<!--
var bil = new Number (25);
document.write("Bilangan Dsimal: " +bil + "<BR>");
document.write(""<HR>");

document.write("Biner : " + bil.toString(2) + "<BR>");
document.write("Oktal : " + bil.toString(8) + "<BR>");
document.write("Heksa : " + bil.toString(16) +

//-->
</SCRIPT>
</BODY>
</HTML

menambahkan 2 bilangan

<HTML>
<HEAD>
<TITLE>Type Bilangan</TITLE>
</HEAD>
<BODY>
<SCRIPT LANGUAGE = "JavaScript">
<!--
var a = 15;
b = 14;

tambah = a + b;
kali = a * b;

document.write("Penambahan (" +a+ " + " +b+ ") = " + tambah);
document.write("<BR>");
document.write("Perkalian (" +a+ " x " +b+ ") = " + kali );
document.write("<BR>");

//-->
</SCRIPT>
</BODY>
</BODY
</HTML>