Eratosthenes Eratosthenes proposed a simple algorithm for finding prime numbers.This algorithm is known in mathematics as the Sieve of Eratosthenes. In mathematics, the sieve of Eratosthenes Greek , one of a number of prime number sieves, is a simple, ancient algorithm for finding all prime numbers up to any given limit. Eratosthenes Greek scientist Britannica Eratosthenes Eratosthenes, Greek scientific writer, astronomer, and poet, who made the first measurement of the size of Earth for which any details are known At Syene now Asw n , some km miles southeast of Alexandria in Egypt, the Sun s Eratosthenes Eratosthenes von Kyrene altgriechisch Eratosthn s zwischen und v Chr in Kyrene um v Chr in Alexandria war ein auergewhnlich vielseitiger griechischer Gelehrter in der Bltezeit der hellenistischen Wissenschaften. Er bettigte sich als Mathematiker, Geograph, Astronom, Historiker, Philologe, Philosoph und Dichter. Eratosthenes New World Encyclopedia Eratosthenes Greek B.C.E B.C.E was a Greek mathematician, geographer and astronomer.His contemporaries nicknamed him beta Greek for number two because he supposedly proved himself to be the second in the ancient Mediterranean world in many fields. Who is Eratosthenes Life, Biography Discoveries of Eratosthenes Eratosthenes was a prominent Greek mathematician, astronomer and geographer who lived between BC and BC He was born in what is now Libya, to parents who were probably Chaldean Eratosthenes is famous for many things, including a mapping method that used latitudes and longitudes, and his accurate computation of the circumference of earth. Geographica The Geographica Ancient Greek Ge graphik , or Geography, is an encyclopedia of geographical knowledge, consisting of books , written in Greek by Strabo, an educated citizen of the Roman Empire of Greek descent Work can have begun on it no earlier than BC A first edition was published in BC followed by a gap, resumption of work and a final edition no later Eratosthenes Proved The Earth Isn t Flat Astro In approximately B.C Eratosthenes, a Greek mathematician living in Alexandria, devised a method of calculating the circumference of the Earth and in doing so, provided evidence to support his long held belief that the Earth is a sphere. The Geography of Strabo An English Translation, with The Geography of Strabo An English Translation, with Introduction and Notes Duane W Roller on FREE shipping on qualifying offers The Geography of Strabo is the only surviving work of its type in Greek literature, and the major source for the history of Greek scholarship on geography and the formative processes of the earth. Heograpiya , ang malayang ensiklopedya Ang heograpiya mula sa Griyego , geographia, literal na kahulugan paglalarawan sa daigdig ay isang larangan ng agham na pinag aaralan ang mga lupain, katangian, naninirahan, at hindi karaniwang bagay sa Daigdig Ang unang tao na gumamit ng salitang Griyego na ay si Eratosthenes BC Sinasakop ng heograpiya ang lahat ng disiplina na sinisikap a Introduction to Geography Physical Geography The main objective of this online textbook is to introduce students to the exciting field of knowledge known as physical geography.Physical geography is a discipline that is part of a much larger area of understanding called geography.