Where and When Did the Symbols + and ndash; Originate? The ancient Greeks expressed addition mostly by juxtaposition, but sporadically used the slash symbol " " for addition and a semi-elliptical curve for subtraction In the famous Egyptian Ahmes papyrus, a pair of legs walking forward marked addition, and walking away subtraction
Pluszeichen – Wikipedia Das Kreuz ist als Symbol seit der Steinzeit bekannt (etwa in Steinritzungen), aber meist nicht deutbar Als Rechenzeichen ist es jüngeren Datums Noch im 15 Jahrhundert war es üblich, die Wörter „plus“ und „minus“ auszuschreiben Das erste Pluszeichen im Druck erschien im Werk Mercantile Arithmetic oder Behende und hüpsche Rechenung auff allen Kauffmanschafft von Johannes Widmann
The Surprisingly Short History Of The Plus Sign - Fast Company 06-23-2014 DESIGN The Surprisingly Short History Of The Plus Sign Before the 16th century, most math equations were written as metered verse Thank god for graphic-design-inclined mathematicians
Definition of plus sign | PCMag What does plus sign actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia
The Wild and Contentious History of Mathematical Symbols Eventually the plus and minus signs became universal, as did the English symbol for equality, but only after decades of famous mathematicians competing in these popularity contests to set the trends