You put in your height and weight, it calculates BMI, and of course it tells you how many calories you're expending from the exercise, and how many you took in, if you go in and enter all the foods.
Wpisujecie wzrost i wagę, on oblicza BMI. I oczywiście podaje, ile kalorii spalacie ćwicząc, i ile przyjęliście, jeśli pójdziecie dalej i wpiszecie wszystko co jedliście.