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How decimals reached Europe

How decimals reached Europe
Les oeuvres mathématiques, 1634
by Simon Stevin, edited by Albert Girard
printed by Bonaventure & Abraham Elzevier in Amsterdam
Simon Stevin introduced the use of decimals to Europe, and stated that the universal introduction of decimal coinage, measures and weights would be only a matter of time. This is the major advance in knowledge represented in his Oeuvres mathématiques — others concern his solution of quadratic equations, the theorem of the triangle of forces, and his demonstration (before Galileo) that objects of different weights take the same time to fall a given distance. This is the major edition through which his thoughts were circulated.