Berikut script php untuk membuat kalkulator sederhana
===============================================
<html>
<head>
<title> Kalkulator </title>
</head>
<body>
<form action ="" method="get" name="hasil">
<input type="text" size="3" name ="a">
<select name="aksi">
<option value="tambah"> + </option>
<option value="kurang"> - </option>
<option value="kali"> x </option>
<option value="bagi"> : </option>
</select>
<input type="text" size="3" name ="b">
<input type="submit" value="hasil">
</form>
<p><textarea>
<?php
$a=$_GET['a'];
$b=$_GET['b'];
$aksi=$_GET['aksi'];
if(isset($aksi))
{
$tambah = $a + $b;
$kurang = $a - $b;
$kali = $a * $b;
$bagi = $a / $b;
}
if ($aksi== "tambah")
echo "hasil $a + $b = $tambah";
if ($aksi== "kurang")
echo "hasil $a - $b = $kurang";
if ($aksi== "kali" )
echo "hasil $a x $b = $kali";
if ($aksi== "bagi")
echo "hasil $a : $b = $bagi";
?>
</textarea></p>
</body>
</html>
====================================================
Silahkan mencoba, dan coba lagi tips lainnya di sini.
===============================================
<html>
<head>
<title> Kalkulator </title>
</head>
<body>
<form action ="" method="get" name="hasil">
<input type="text" size="3" name ="a">
<select name="aksi">
<option value="tambah"> + </option>
<option value="kurang"> - </option>
<option value="kali"> x </option>
<option value="bagi"> : </option>
</select>
<input type="text" size="3" name ="b">
<input type="submit" value="hasil">
</form>
<p><textarea>
<?php
$a=$_GET['a'];
$b=$_GET['b'];
$aksi=$_GET['aksi'];
if(isset($aksi))
{
$tambah = $a + $b;
$kurang = $a - $b;
$kali = $a * $b;
$bagi = $a / $b;
}
if ($aksi== "tambah")
echo "hasil $a + $b = $tambah";
if ($aksi== "kurang")
echo "hasil $a - $b = $kurang";
if ($aksi== "kali" )
echo "hasil $a x $b = $kali";
if ($aksi== "bagi")
echo "hasil $a : $b = $bagi";
?>
</textarea></p>
</body>
</html>
====================================================
Silahkan mencoba, dan coba lagi tips lainnya di sini.
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