For adults, a normal resting rate is 60 to 100 beats per minute. Athletes may have a rate as low as 40 bpm because their hearts are trained to efficiently pump blood. If your heart rate is consistently below 60 or above 100, you may have a heart condition, such as arrhythmia.
Integrating Factor. An integrating factor is a function by which an ordinary differential equation can be multiplied in order to make it integrable. For example, a linear first-order ordinary differential equation of type.
1 Load factor (aeronautics), the ratio of the lift of an aircraft to its weight. 2  Load factor (computer science), the ratio of the number of records to the number of addresses within a data structure.  Load factor (electrical), the average power divided by the peak power over a period of time.