33 lines
698 B
PHP
33 lines
698 B
PHP
<?php
|
|
|
|
if(isset($_POST['sub']))
|
|
{
|
|
$txt1=$_POST['n1'];
|
|
$txt2=$_POST['n2'];
|
|
$oprnd=$_POST['sub'];
|
|
|
|
if($oprnd=="+")
|
|
$res=$txt1+$txt2;
|
|
else if($oprnd=="-")
|
|
$res=$txt1-$txt2;
|
|
else if($oprnd=="x")
|
|
$res=$txt1*$txt2;
|
|
else if($oprnd=="/")
|
|
$res=$txt1/$txt2;
|
|
}
|
|
?>
|
|
|
|
<form method="post" action="">
|
|
Calculator
|
|
<br>
|
|
No1:<input name="n1" value="<?php echo $txt1; ?>">
|
|
<br>
|
|
No2:<input name="n2" value="<?php echo $txt2; ?>">
|
|
<br>
|
|
Res:<input name="res" value="<?php echo $res; ?>">
|
|
<br>
|
|
<input type="submit" name="sub" value="+">
|
|
<input type="submit" name="sub" value="-">
|
|
<input type="submit" name="sub" value="x">
|
|
<input type="submit" name="sub" value="/">
|
|
</form>
|