Note: - Authorship unknown; has been attributed to Regiomontanus and to Jordanus Nemorarius.
- Edited by Johann Schöner.
- Final page blank.
- Place of printing and name of printer from colophon.
- Signatures: A-H[superscript]⁴.
- Title within architectural border.
- ULL copies are from the library of Augustus De Morgan.
- ULL copy 1916818852 bound in brown morocco with "Regiomontani Algorithmus demonstratus" tooled in gilt on spine.
- ULL copy 1916818870 is bound with Arithmetica communis ... (Vienna, 1515) and Sacro Bosco, Algorithmus (Venice, 1523). Bound in vellum over boards with title and dates on brown morocco labels on spine; De Morgan's inscription and list of contents of volume on front flyleaf.
- DOI: 10.1163/9789004409286_MOR1-b20800514