qn8

 

<form method="post">

Enter number :

<input type="text" name="num"><br><br>

<input type="submit" name="submit">

</form>

<?php

if(isset($_POST['num']))

{

$n=$_POST['num'];

$f=1;

for($i=1;$i<=$n;$i++){

$f=$f*$i;

}

echo "Factorial = ".$f;

}

?>

<p>Author : Sujit Thapa</p>