Haidao Suanjing
海島算經 (Sea Island Mathematical Manual)
The height and distance of a landmark that cannot be reached, an island seen from shore, can be found through paired sightings and proportional geometry alone, without ever setting foot on it.
海島算經 (Sea Island Mathematical Manual)
The height and distance of a landmark that cannot be reached, an island seen from shore, can be found through paired sightings and proportional geometry alone, without ever setting foot on it.
Commentary
Readers' notes on this work. No account needed - be scholarly, or at least civil.
Loading commentary…