Definition of haversine in English:
Half of a versed sine.
- For all intents and purposes, the haversine is the most accurate way to calculate distance on a sphere.
- The pulse shape is usually assumed to be of haversine, half-sine or some other tapered rectangular shape.
- Regardless of whether you choose to use the sight reduction tables or prefer the haversine formula you will require a nautical almanac.
late 19th century: contraction of half versed sine.