<pre> 
&lt;html>
&lt;body bgcolor=lightyellow>

&lt;H1 Align=center>Number Functions&lt;/h1>

&lt;?php

        // floor/ceil and round --------------------------------------------

        $num = 1234.5567;
        print "&lt;b>floor(1234.5567) is......:  &lt;/b>" . floor($num);
        print "&lt;br>";
        print "&lt;b>ceil(1234.5567) is........: &lt;/b>" . ceil($num);
        print "&lt;br>";
        print "&lt;b>round(1234.5567, 2) is:     &lt;/b>" . round($num, 2);
        print "&lt;hr>";

        // generating random numbers ---------------------------------------

        print "&lt;b>The random number for rand( ) is.....: &lt;/b>" . rand( );
        print "&lt;br>";
        print "&lt;b>The random number for rand(1, 6) is:   &lt;/b>" . rand(1,6);
        print "&lt;hr>";

        // printing a number in binary/octal/hex ---------------------------

        $num = 123458;
        print "&lt;b>The number " . $num . " in binary is:  &lt;/b>" . decbin($num);
        print "&lt;br>";
        print "&lt;b>The number " . $num . " in octal is..: &lt;/b>" . decoct($num);
        print "&lt;br>";
        print "&lt;b>The number " . $num . " in hex is....: &lt;/b>" . dechex($num);
        print "&lt;hr>";

        // power and square root -------------------------------------------

        print "&lt;b>pow(123.45, 2) is....: &lt;/b>" . pow(123.45, 2);
        print "&lt;br>";
        print "&lt;b>sqrt(15239.9025) is:   &lt;/b>" . sqrt(15239.9025);
        print "&lt;hr>";
?>

&lt;?php include "../include.php"; ?>              &lt;!-- hyperlink to see the code -->
&lt;/body>
&lt;/html>
</pre>