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Mathematical Treasure: La Roche's Arithmetic

Author(s): 
Frank J. Swetz (The Pennsylvania State University)

Estienne de La Roche (c. 1470-1530) was a French mathematician and teacher of commercial arithmetic. His Larismetique nouellement ... (1520) was a popular arithmetic and algebra book for its time. The title page features an elaborate design.

Title page of Larismetique by La Roche, 1520

The principal parts of mathematics are outlined by the use of a schematic diagram:

Chart showing the organization of mathematical ideas from Larismetique by La Roche, 1520

Folio 12 contains a discussion on fractions. Important points are denoted by pointing hands drawn in the margin, including one with an unusually long finger.

Folio 12 concerning fractions from Larismetique by La Roche, 1520

The images above are provided courtesy of Columbia University Libraries.

Index to Mathematical Treasures

Frank J. Swetz (The Pennsylvania State University), "Mathematical Treasure: La Roche's Arithmetic," Convergence (June 2018)

Dummy View - NOT TO BE DELETED