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Mathematical Treasure: Johann Baptist Roppelt’s Praktische Abhandlung von den Gränz-Zeichen

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

Johann Baptist Roppelt (1744–1814) was a mathematician, cartographer and, possibly, a cleric in Bamberg. Among his publications was Praktische Abhandlung Von Den Granz-Zeichen Sammt Einer Geometrischen Unterweisung, a book on the properties of whole numbers that was published in 1775.

Title page of Johann Baptist Roppelt's 1775 Praktische Abhandlung.

Roppelt’s foreword made references to the Bible.

Page 12 from Johann Baptist Roppelt's 1775 Praktische Abhandlung.

The book also dealt with measurements, conversions, and geometry.

Page 48 from Johann Baptist Roppelt's 1775 Praktische Abhandlung.

Second plate from Johann Baptist Roppelt's 1775 Praktische Abhandlung.

A full digitization of this work is available from GoogleBooks.

Index to Mathematical Treasures

Frank J. Swetz (The Pennsylvania State University), "Mathematical Treasure: Johann Baptist Roppelt’s Praktische Abhandlung von den Gränz-Zeichen," Convergence (December 2022)