Adequate means enough to satisfy
so
Inadequate must be not enough to satisfy
or can't afford expectations
I did not understand the question and I do not think this a finished question.
That is not really true. The range is actually V00-X99
Calories, you need calories to function. calories are found in food.
True. Because the calorie calculation is based on how exclusively the heart rate is. Which the device runs through the algorithm.
Hope this helps :)