http://bitbin.it/XcgHIi2V
Embedding Bitcoin Calculator Into Other Websites coding below: 
<iframe scrolling="no" src="http://www.vnbitcoin.org/bitcoincalculatorembed.php" 
style="border: 0px none; margin-left: -185px; height: 6900px; margin-top: -5px; width: 1150px;"></iframe>