With the heat of summer upon us, we hear a lot about the heat index in our weather forecasts these days. But what exactly is the heat index and how is it calculated?

How to calculate BMI. (Courtesy) For more than 30 years we have been wedded to the Body Mass Index (BMI) as the sole criterion for deciding whether someone is obese or not. It is used by most ...

Turns out both things are true: it’s called the Heat Index. The heat index is used to calculate not the actual temperature of the air around you, but instead how hot you feel.

SC health officials define obesity as anyone with a Body Mass Index (BMI) of 30 or above. So how is that calculated?

How to Use Microsoft Excel to Calculate Seasonal Indexes. A seasonal index is a way of measuring the seasonal variation -- that is, to measure the change that is due to seasonal changes in demand ...