| Hipparchus was critical of the grid defined by Eratosthenes, saying reasonably enough that it was chosen arbitrarily. |
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| In the third century BC, the famous Greek mathematician Archimedes issued a challenge to the Alexandrian mathematicians, headed by Eratosthenes. |
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| In the field of geodesy, however, Eratosthenes will always be remembered for his measurements of the Earth. |
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| Given the size of the Earth as calculated by Eratosthenes this left a large space between Asia and the newly discovered lands. |
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| The pike of Teneriffe how high it is? 70 miles? or 50, as Patricius holds? or 9, as Snellius demonstrates in his Eratosthenes? |
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| He was informed in his approach by Eratosthenes, who a century earlier used the elevation of the Sun at different latitudes. |
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| Given a list of consecutive numbers starting at 1, the Sieve of Eratosthenes algorithm will find all of the prime numbers. |
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| Eratosthenes in the 3rd century BC first proposed a system of latitude and longitude for a map of the world. |
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| One of the first estimates of the radius of the Earth was made by Eratosthenes. |
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| On the surface it appears that Eratosthenes altered the base line to pass through the northern extreme of Celtica. |
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| Maps based on scientific principles had been made since the time of Eratosthenes, in the 3rd century BC, but Ptolemy improved map projections. |
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| The company is interested in pursuing additional geologic and geophysical surveys along the Eratosthenes seamount, to the south of the island, he said. |
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