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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 Sand table ： ウィキペディア英語版 Sand table Sand table is a term for using constrained sand for modeling or educational purposes. The original version of a sand table may be the abax used by early Greek students. ==Abax== An abax was a table covered with sand commonly used by students, particularly in Greece, to perform studies such as writing, geometry, and calculations.〔Smith 1958:177–178〕 An abax was the predecessor to the abacus. Objects, such as stones, were added for counting and then columns for place-valued arithmetic. The demarcation between an abax and an abacus seems to be poorly defined in history;〔Ifrah 2000:125–126 and others〕 moreover, modern definitions of the word ''abacus'' universally describe it as a frame with rods and beads〔See American Heritage definition of "abacus" in External Links below〕 and, in general, do not include the definition of "sand table". The sand table may well have been the predecessor to some board games. ("The word abax, or abacus, is used both for the reckoning-board with its counters and the play-board with its pieces, ...").〔Taylor 1879:28〕 ''Abax'' is from the old Greek for "sand table".〔American Heritage:abacus〕 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「Sand table」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.