Arithmeticae practicae methodus facilis
By: per Gemmam Frisium, medicum ac mathematicum
Contributors: Welack, Matthaeus, printer
Publisher: Ex officina Matthaei VVelacij
Published: 1583
Place of publication: VVitebergae
Language: lat
Number of pages: 88
Subjects: Arithmetic; Early works to 1900
Notes: Smith, D.E. Rara arithmetica, p. 208

Ortroy, F. v. Gemma Frisius, no. 105