A page from Summa de arithmetica, geometrica, proportioni et proportionalita
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- Details
- Description
- 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.
