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.
When Simon debuted, the smartphone's features clearly differentiated it from other cell phones, which at that time were just telephones that didn't need a landline connection. There is no standard definition that clearly delineates a smartphone -- many devices marketed simply as cell phones offer similar features to those marketed as smartphones.