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- Q5177147 subject Q6812555.
- Q5177147 abstract "The counting board is precursor of the abacus, and the earliest known form of a counting device (excluding fingers and other very simple methods). Counting boards were made of stone or wood, and the counting was done on the board with beads, or pebbles etc. Not many boards survive because of the perishable materials used in their construction. The oldest known counting board, the Salamis Tablet (c. 300 BC) was discovered on the Greek island of Salamis in 1899. It is thought to have been used by the Babylonians in about 300 BC and is more of a gaming board than a calculating device. It is marble, about 150 x 75 x 4.5 cm, and is in the Greek National museum in Athens. It has carved Greek letters and parallel grooves. The German mathematicican Adam Ries described the use of counting boards in Rechenbuch auf Linien und Ziphren in allerlei Handthierung / geschäfften und Kaufmanschafft. In the novel Wolf Hall, Hilary Mantel refers to Thomas Cromwell using a counting board in 16th-century England.".
- Q5177147 thumbnail Rechentisch.png?width=300.
- Q5177147 wikiPageWikiLink Q12806.
- Q5177147 wikiPageWikiLink Q1524.
- Q5177147 wikiPageWikiLink Q1714587.
- Q5177147 wikiPageWikiLink Q202422.
- Q5177147 wikiPageWikiLink Q21.
- Q5177147 wikiPageWikiLink Q2657795.
- Q5177147 wikiPageWikiLink Q294435.
- Q5177147 wikiPageWikiLink Q31087.
- Q5177147 wikiPageWikiLink Q465700.
- Q5177147 wikiPageWikiLink Q61740.
- Q5177147 wikiPageWikiLink Q6812555.
- Q5177147 comment "The counting board is precursor of the abacus, and the earliest known form of a counting device (excluding fingers and other very simple methods). Counting boards were made of stone or wood, and the counting was done on the board with beads, or pebbles etc. Not many boards survive because of the perishable materials used in their construction. The oldest known counting board, the Salamis Tablet (c. 300 BC) was discovered on the Greek island of Salamis in 1899.".
- Q5177147 label "Counting board".
- Q5177147 depiction Rechentisch.png.