kalkulator

<html>
<head>
<title>Operators PHP</title>
</head>
<body>
<h2>Contoh Penggunaan Operator pada PHP</h2>
<form action="#" method="post">
<input type="text" name="operand1" value="0" />
<select name="operator">
<option value="-">pengurangan(-)</option>
<option value="+">pertambahan(+)</option>
<option value="/">pembagian(/)</option>
<option value="*">perkalian(*)</option>
<option value="%">prosentase(%)</option>
</select>
<input type="text" name="operand2" value="0" />
<input type="submit" name="proses" value="Proses" />
</form>
<?php
error_reporting(0);
$hitung=$_POST['operand1'].$_POST['operator'].$_POST['operand2'];
$hasil = eval("return($hitung);");
echo("Hasil Perhitungan Matematika : ");
echo $hasil;
?>
</body>
</html>