A page from Summa de arithmetica, geometrica, proportioni et proportionalita

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Date
1494
Creator
Pacioli
Credit Line
Courtesy of the Columbia University Libraries, Rare Book and Manuscript Collection
Keywords
Finger counting; Hand calculation
Object ID
500004210

Renaissance Italian merchants used Pacioli’s finger-counting system to barter. His Summa also included the first published description of double-entry bookkeeping.