Simon Stevin

Simon Stevin (Dutch:; 1548–1620), sometimes called Stevinus, was a Flemishmathematician, scientist and music theorist. He made various contributions in many areas of science and engineering, both theoretical and practical. He also translated various mathematical terms into Dutch, making it one of the few European languages in which the word for mathematics, ( and , i.e., "the knowledge of what is certain"), was not a loanword from Greek but a calque via Latin. He also replaced the word , the Dutch for chemistry, by ("the art of separating"), made in analogy with .