File:Bede finger alphabet.jpg

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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.

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File history

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Date/TimeThumbnailDimensionsUserComment
current15:05, 28 May 2006Thumbnail for version as of 15:05, 28 May 2006338 × 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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