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Mark all mathematical heads which be wholly and only bent on these sciences, how solitary they be themselves, how unfit to live with others, how unapt to serve the world.
In E G R Taylor, Mathematical Practitioners of Tudor and Stuart England, Cambridge: Cambridge University Press, 1954.
Loci: Convergence
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Mathematical Treasures
Adam Riese's Rechenbuch
This is a page from the Rechenbuch of Adam Riese (1492 - 1559), one of the greatest reckoning masters of the 16th century. The complete title of the book is Rechnung nach der lenge/auff den Linien und Feder. This page (78) deals with the gauging of barrels, that is, with measuring the contents of the barrel.
This page from the Rechenbuch (p. 6) has a table showing numbers both in German words, in Roman numerals, and in the Hindu-Arabic numerals.