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.
Smartphones are high-end mobile phones that typically run operating systems similar to the tablet computers discussed above, so they often share the same applications as tablets. They combine the features of a mobile phone, PDA (see below), camera, music player, GPS device, etc.