One of the most distinguished among them was Thales of Miletus (6 4 o -543 B.C.), the founder of the Ionian school of philosophy, whose pupil, Anaximander (611-546 B.C.) is credited by Eratosthenes with having designed the first map of the world.
Scientific geography profited largely from the labours of Eratosthenes of Cyrene, whom Ptolemy Euergetes appointed The gnomon was known to the Chinese in the 5th century B.C., and reached the Greeks (Anaximander) through Babylon.
The founder of the mathematical school was the celebrated Euclid (Eucleides); among its scholars were Archimedes; Apollonius of Perga, author of a treatise on Conic Sections; Eratosthenes, to whom we owe the first measurement of the earth; and Hipparchus, the founder of the epicyclical theory of the
The whole country is designated Ariana (Zend, Airyana) the land Descent of the Aryans the original of the Middle-Persian of the Eran and the modern Iran; the Greek geo- 1rau1ma~ui~, graphers Eratosthenes and Strabo were in error when they limited the name to the eastern districts of Iran.
I should probably begin by stating that I am not a mathematician, not even close. When asked to produce a JavaScript program using the Sieve of Eratosthenes, I started googling. There are a..查看文章
I implemented the Sieve-of-Eratosthenes on an ARM chip. If you haven’t heard of the Sieve of Eratosthenes then you really need to work your way through Project Euler. That’s where I first ....查看文章
It was around 250 BCE when Eratosthenes was a librarian in the famous library of Alexandria He discovered in his reading that there was a yearly festival in the town of Syene (modern Aswan)..查看文章
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