eratosthenes

listen to the pronunciation of eratosthenes
İngilizce - İngilizce
Greek mathematician and astronomer who estimated the circumference of the earth and the distances to the moon and sun (276-194 BC)

İlgili Terimler

Eratosthenes of Cyrene
born 276 BC, Cyrene, Libya died 194, Alexandria, Egypt Greek scientific writer, astronomer, and poet. He settled in Alexandria 255 BC and became director of its great library. He is the first person known to have calculated the Earth's circumference, though the exact length of the units (stadia) he used is uncertain. He also measured the tilt of Earth's axis with great accuracy, compiled a star catalog, worked out a calendar that included leap years, and tried to fix the dates of literary and political events since the siege of Troy
sieve of Eratosthenes
An ancient algorithm for finding prime numbers that works by discarding multiples from a list of potential primes