Abstract
The first counting devices were counting boards. The most primitive of these may be as old as 1200 BCE and consisted of a board or stone tablet with mounds of sand in which impressions or marks could be made. Later counting boards had grooves or metal disks that could be used to mark a position. The oldest extant counting board is the Salamis tablet, dating to 300 BCE. See Figure 7.1.
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© 2011 Springer Science+Business Media, LLC
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Krantz, S.G. (2011). Computer-Generated Proofs. In: The Proof is in the Pudding. Springer, New York, NY. https://doi.org/10.1007/978-0-387-48744-1_7
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DOI: https://doi.org/10.1007/978-0-387-48744-1_7
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