1)   Custom TV Lift 1.0
http://www.customtvlift.com/- A calculator made by Custom TV Lift. Easy to use and accessible for your daily computations.

 2)   Tv Lift 1
http://www.motivateddesign.com/tvliftunit/ - A calculator made by Motivated Design Tv Lift. Easy to use and accessible for your daily computations.

 3)   Pop Up TV 1
http://www.motivateddesign.com/tv-lift/pop-up-tv-lift/- A calculator made by Motivated Design Pop Up TV. Easy to use and accessible for your daily computations.