Book:Archimedes/The Sand-Reckoner

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Archimedes: The Sand-Reckoner

Published $\text {c. 250 BCE}$

Subject Matter

Archimedes describes a system of notation for designating very large numbers, up to $N^{N^N}$, where $N = 10^8$.


Also known as

Some sources render this without the hyphen: Sandreckoner.

Historical Note

The Sand-Reckoner by Archimedes was addressed to King Gelon of Syracuse (who appears to have lived some $250$ years earlier).

It is in this book that we learn that Aristarchus of Samos had first proposed a heliocentric universe, nearly $2000$ years before Nicolaus Copernicus.