How to use the Calculator

{jwplayer}http://mambotube.com/files/videos/1398690315fc551.mp4&img=http://mambotube.com/files/thumbs/1398690315fc551-big-1.jpg&playlist.position=none&width=320&height=240{/jwplayer}

How to Use Calculator Part 2

{jwplayer}http://mambotube.com/files/videos/13987050500b2ac.mp4&img=http://mambotube.com/files/thumbs/13987050500b2ac-big-1.jpg&playlist.position=none&width=320&height=240{/jwplayer}

How to Use Calculator Part 3
{jwplayer}http://mambotube.com/files/videos/1398706059871f1.mp4&img=http://mambotube.com/files/thumbs/1398706059871f1-big-1.jpg&playlist.position=none&width=320&height=240{/jwplayer}

How to Use Calculator Part 4
{jwplayer}http://mambotube.com/files/videos/13987052212193d.mp4&img=http://mambotube.com/files/thumbs/13987052212193d-big-1.jpg&playlist.position=none&width=320&height=240{/jwplayer}

How to Use Calculator Part 5
{jwplayer}http://mambotube.com/files/videos/139870510704a8f.mp4&img=http://mambotube.com/files/thumbs/139870510704a8f-big-1.jpg&playlist.position=none&width=320&height=240{/jwplayer}