Eratosthenes (27 agos 275 anni a. C. – 5 magg 195 anni a. C.)

Descrizione:

Greek astronomer, geographer, and mathematician whose accomplishments included calculations of the circumference of the earth and distance from the earth to the sun and moon, as well as developing a map of the world. He also formulated a "sieve of Eratosthenes" for detecting prime numbers.

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