Medieval Dactylonomy, Finger Counting
1494 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
Picture No
13345475
Media ID
47787990
Size
3608px x 4667px
(3.1MB)
Credit
© Science Source / Mary Evans Picture Library
Usage Restrictions
Commercial sales may require 3rd party clearance
Source
Science Source
