The body mass index (BMI) is calculated from weight and height measurements using the formula BMI = weight (in kg) divided by height (in m -2). The BMI was first introduced by Quetlet in order to eliminate the confounding effects of height on weight.
Share this item with your network: A smartphone is a cellular telephone with an integrated computer and other features not originally associated with telephones, such as an operating system, Web browsing and the ability to run software applications.
A mobile device is a small computing device , typically small enough to be handheld ( and hence also commonly known as a handheld computer or simply handheld ) , having a display screen with a miniature keyboard ( either alphabetic , numeric or alphanumeric ) and , in some models , a touchscreen which enables the user to use a  virtual keyboard  ...