Hello,
this my frist program
it a calculator
so I need your comment to develop my self :)
this is the code source
<html>
<head>
<title> my calculator </title>
</head>
<body bgcolor=black text=white >
<br><br><br><br><br><br><br>
<center>
<?php
/* My First Prgramme ~ calculator ~ */
echo<<<_html_
<form action=$_SERVER[PHP_SELF] method=POST >
<input type=text name=a1 VALUE="input a number"> <p>
<select name=b1 >
<option>+
<option>-
<option>*
<option>/
</select><p>
<input type=text name=c1 Value="input an other number"><p>
<input type=submit value="go!">
</form>
<center><br><br>
<font size=5 color=red > the result = </font>
<font size=5 >
_html_;
$a=$_POST['a1'];
$b=$_POST['b1'];
$c=$_POST['c1'];
if ($b=="+")
{ echo $a + $c ;}
elseif ( $b=="-")
{ echo $a - $c ; }
elseif ( $b=="*")
{ echo $a * $c ; }
elseif ( $b=="/")
{ echo $a / $c ; }
if ( $b =="/" AND $c =="0" )
{ echo " Impossible "; }
?>
</center>
