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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Salamis Tablet ： ウィキペディア英語版 Salamis Tablet The Salamis Tablet was an early counting device (also known as a "counting board") dating from around 300 B.C. that was discovered on the island of Salamis in 1846. A precursor to the abacus, it is thought that it represents a Babylonian means of performing mathematical calculations common in the ancient world. Pebbles (calculi) were placed at various locations and could be moved as calculations were performed. The marble tablet itself has dimensions of approximately 150 × 75 × 4.5 cm.〔http://www.ee.ryerson.ca/~elf/abacus/history.html〕 ==Discovery== Originally thought to be a gaming board, the slab of white marble is currently at the National Museum of Epigraphy, in Athens. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Salamis Tablet」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.