calculating how many calories you need a day?
['For women, BMR = 655 + (4.35 x weight in pounds) + (4.7 x height in inches) - (4.7 x age in years).', 'For men, BMR = 66 + (6.23 x weight in pounds) + (12.7 x height in inches) - (6.8 x age in years).']