Lean Body Weight: Ideal Body Weight: for default units. (lbs/kg, in/cm) and calculation formula. Please add a bookmark for this page. to add it to your favorites. BSA is a measurement used in many medical tasks. Various Body Surface Area formulas have been developed over the years, originally by Dr.s Du Bois & Du Bois, followed by Gehan and George, Haycock, Boyd and Mosteller.
In-app purchasing functionality can take many forms in different applications, with different methodologies, functional features, and integration into an interface. Many in-app purchases occur in games, where users are able to purchase virtual goods for the game through the app itself.
A user can use an Apple ID and password to sign into the iTunes Store or App Store to buy content or authorize items the user has purchased. The ID is the proof of ownership for the content the user has previously downloaded from Apple digital stores. The Apple ID allows the user to re-download their purchased content for any of their devices. For iTunes on computers, an Apple ID is authorized to copy purchased content on up to 5 computers at a time.