Body Mass Index (BMI) and Basal metabolic rate (BMR) calculator.Calculate! The body mass index (BMI), or Quetelet index, is aheuristic proxy for estimating human body fat based on anindividual's weight and height. Basal metabolic rate (BMR), and theclosely related resting metabolic rate (RMR), is the amount ofenergy expended daily by humans and other animals at rest. Rest isdefined as existing in a neutrally temperate environment while inthe post-absorptive state. In plants, different considerationsapply.

You can calculate your age, birthday friend, the end of the productwarranty etc

Simple calculator ipv4 addresses. Calculates subnet, netmask,wildcard, broadcast address, the number of hosts, CIDR.