By Glen Van Brummelen
Heavenly Mathematics strains the wealthy background of round trigonometry, revealing how the cultures of classical Greece, medieval Islam, and the trendy West used this forgotten paintings to chart the heavens and the Earth. as soon as on the middle of astronomy and ocean-going navigation for 2 millennia, the self-discipline was once additionally a mainstay of arithmetic schooling for hundreds of years and taught largely until eventually the Fifties. Glen Van Brummelen explores this beautiful department of arithmetic and its position in old astronomy, geography, and cartography; Islamic spiritual rituals; celestial navigation; polyhedra; stereographic projection; and extra. He conveys the sheer fantastic thing about round trigonometry, delivering readers with a brand new appreciation of its based proofs and infrequently miraculous conclusions. Heavenly Mathematics is illustrated all through with attractive ancient photographs and informative drawings and diagrams. This specified compendium additionally beneficial properties easy-to-use appendixes in addition to workouts that initially seemed in textbooks from the eighteenth to the early 20th centuries.