Mathematical Treasure: La Roche's Arithmetic

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.

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

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.

The images above are provided courtesy of Columbia University Libraries.

Index to Mathematical Treasures