05 The Muse
of Arithmetic supervises two scholars -Boethius and Pythagoras. from G.Reisch,
Margarita Philosophica , the most comprehensive encyclopaedia
available at the end of the fifteenth century.
titlepage of the 1514 edition of Johann Boöschensteyn's book of business
arithmetic.
Title Page of the 1535 edition published in Frankfurt of Henricus
Grammateus' Works , mainly of mercantile arithmetic.
The titlepage of Valentin Menhir's Arithmetique que Seconde , Antwerp,
1556.
Titlepage to Simon Jacob's book on Mathematics printed in Frankfurt in
1565.
The portrait of the author from Oliviero Fonduli, Practiche de Fioreti
merchantili , Frankfurt, 1565.
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