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The haversine formula determines the great-circle distance between two points on a sphere given their longitudes and latitudes. Important in navigation , it is a special case of a more general formula in spherical trigonometry , the law of haversines , that relates the sides and angles of spherical triangles.
Coca-Cola inventor John Pemberton is known to have shared his original formula with at least four people before his death in 1888. In 1891, Asa Candler purchased the rights to the formula from Pemberton's estate, founded the Coca-Cola Company, and instituted the shroud of secrecy that has since enveloped the formula. He also made changes to the ...
Air changes per hour, abbreviated ACPH or ACH, or air change rate is the number of times that the total air volume in a room or space is completely removed and replaced in an hour. If the air in the space is either uniform or perfectly mixed, air changes per hour is a measure of how many times the air within a defined space is replaced each ...
In males, mean percentage body fat ranged from 23% at age 16–19 years to 31% at age 60–79 years. In females, mean percentage body fat ranged from 32% at age 8–11 years to 42% at age 60–79 years. But it is important to recognise that women need at least 9% more body fat than men to live a normal healthy life. [2]
The barometric formula is a formula used to model how the pressure (or density) of the air changes with altitude. Pressure equations [ edit ] See also: Atmospheric pressure
v. t. e. In finance, the duration of a financial asset that consists of fixed cash flows, such as a bond, is the weighted average of the times until those fixed cash flows are received. When the price of an asset is considered as a function of yield, duration also measures the price sensitivity to yield, the rate of change of price with respect ...
The National Origins Formula is an umbrella ... provided that for three years the formula would change from 3% to 2% and the basis for the calculation would be the ...
Manning formula. The Manning formula or Manning's equation is an empirical formula estimating the average velocity of a liquid in an open channel flow (flowing in a conduit that does not completely enclose the liquid). However, this equation is also used for calculation of flow variables in case of flow in partially full conduits, as they also ...