File:Bede finger alphabet.jpg
Bede_finger_alphabet.jpg (338 × 417 pixels, file size: 45 KB, MIME type: image/jpeg)
Summary
[edit]1494 CE woodcut from Luca Pacioli's modification of Bede's finger calculus in Summa de arithmetica, geometrica, proportioni et proportionalita. Unlike Bede's original method, Pacioli modified the order of the handshapes for greater symmetry. The handshapes for 1 and 10 on the left hand therefore correspond to the 100s and 1000s on the right.
Licensing
[edit]This image is in the public domain because under the Copyright law of the United States, originality of expression is necessary for copyright protection, and a mere photograph of an out-of-copyright two-dimensional work may not be protected under American copyright law. The official position of the Wikimedia Foundation is that all reproductions of public domain works should be considered to be in the public domain regardless of their country of origin (even in countries where mere labor is enough to make a reproduction eligible for protection). | ||||
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:05, 28 May 2006 | 338 × 417 (45 KB) | Ntennis (talk | contribs) | Bede. 710 AD. ''De Computo vel Loguela per Gestum Digitorum.'' Illustrated in 1140 AD, National Library, Madrid. |
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