Sabtu, 22 Maret 2014
tugas struktur data
<html>
<head>
<title> Hitung Kuadrat</title>
<script type=text/javascript>
alert ("Assalamu'alaikum wr.wb");
alert ("Bismillahirrohmanirrohim");
var a=["8","9","10"];
function kuadrat()
{
var x=a[0]*a[0];
document.getElementById("kuadrat_1").value=x;
var y=a[1]*a[1];
document.getElementById("kuadrat_2").value=y;
var z=a[2]*a[2];
document.getElementById("kuadrat_3").value=z;
}
</script>
</head>
<body bgcolor=yellow>
<input type=text value= 8 id =angka[0] size=3>
<input type=text value= 9 id =angka[1] size=3>
<input type=text value= 10 id=angka[2] size=3><br>
<input type=button value=kuadratkan onclick='kuadrat(); '><br>
<input type=text id=kuadrat_1 size=4>
<input type=text id=kuadrat_2 size=4>
<input type=text id=kuadrat_3 size=4>
</body>
</html>
Selasa, 11 Maret 2014
<html>
<head>
<title>Persamaan
Kuadrat</title>
</head>
<body>
<script language = "JavaScript">
function det(a,b,c)
{
var d = (b*b)-(4*a*c);
return(d);
}
var a =
parseFloat(prompt("Masukan Nilai A = "));
var b =
parseFloat(prompt("Masukan Nilai B = "));
var c =
parseFloat(prompt("Masukan Nilai C = "));
var deter = det(a,b,c);
document.write("Nilai
Determinannya = " +deter+"<br>");
document.write("<br>");
if (deter>0)
{
var x1 = (-b -
Math.sqrt(deter))/(2*a);
var x2 = (-b +
Math.sqrt(deter))/(2*a);
document.write("Nilai
x1 = " +x1+ "<br>");
document.write("Nilai
x2 = " +x2+ "<br>");
document.write("<br>");
document.write("Akar-akarnya Berbeda");
} else
if (deter==0)
{
var x1 = (-b -
Math.sqrt(deter))/(2*a);
var x2 = (-b +
Math.sqrt(deter))/(2*a);
document.write("Nilai
x1 = " +x1+ "<br>");
document.write("Nilai
x2 = " +x2+ "<br>");
document.write("<br>");
document.write("Akar-akarnya Sama");
} else
if (deter<0)
{
document.write("Akar-akarnya Imaginer");
}else {
alert("Nilai
yang Anda Masukan Tidak Tepat. Harus Nomer..!!!");
}
</script>
</body>
</html>
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