[PHP]Calculator:adunare, scadere, inmultire si impartire

Cod:: <html>
<head>
<title>Calculator Online</title>
<style>
body {
background-color:#993300;
color:#FFFFFF;
}
.text {
background-color:#996600;
font-family:Verdana, Arial, Helvetica, sans-serif;
color:#FFFFFF;
font-size:12px;
font-weight:bold;
width:100%;
filter:alpha(opacity=10, finishopacity=100, style=1, startx=0, starty=0, finishx=140, finishy=270);
}
.area {
background-color:#990000;
color:#FFFFFF;
text-align:center;
font-size:16;
font-family:Verdana, Arial, Helvetica, sans-serif;
font-weight:bold;
width:100%;
height:50;
filter:alpha(opacity=100, finishopacity=10, style=1, startx=0, starty=0, finishx=140, finishy=270);
}
</style>
</head>
<body>
<table>
<table>
<p><b>Inmultire:</b></p>
<form>
<input>
<input>
<input>
</form>
<php>
<textarea><inmultire></textarea>
</table>
<table>
<p><b>Impartire:</b></p>
<form>
<input>
<input>
<input>
</form>
<php>
<textarea><impartire></textarea>
</table>
<table>
<p><b>Scadere:</b></p>
<form>
<input>
<input>
<input>
</form>
<php>
<textarea><scadere></textarea>
</table>
<table>
<p><b>Adunare:</b></p>
<form>
<input>
<input>
<input>
</form>
<php>
<textarea><adunare></textarea>
</table>
</table>
</body>
</html>