In 1659, Johann Heinrich Rahn published Teutsche Algebra. This was the first time the division symbol ÷ appeared in print Posted on 2020/11/08 by Carl Robitaille In 1659, Johann Heinrich Rahn published Teutsche Algebra. This was the first time the division symbol ÷ appeared in print. pic.twitter.com/v9THKjc5LK— Fermat's Library (@fermatslibrary) November 6, 2020