There exist other equations including the Harris - Benedict Equation which was used until 1990 before the introduction of the Mifflin - St Jeor Equation and the Katch - McArdle Formula which calculates resting daily energy expenditure (RDEE) by taking lean body mass into account. (calculator.net)
Below are some images of Norman Reedus» character wearing these items around his neck, along with other equations. (metalgearinformer.com)
Airline prices are complicated beasts based on inventory, seasonality, route and countless other equations, but time and time again — some sites offer the best prices. (travelpointsguide.com)