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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
Definition of plus sign - PCMag The plus sign (+) means "ADD" in programming and on calculator keyboards For example, 10 + 7 means 10 added to 7 It is also used as a concatenation symbol for text fields For example, city
Where and When Did the Symbols + and ndash; Originate? The first appearance of + and – in English was in the 1551 book on algebra The Whetstone of Witte by the Oxford mathematician Robert Recorde, who also introduced the equal sign as the rather longer than today's symbol "═ " In describing the plus and minus signs Recorde wrote: "There be other 2 signes in often use of which the first is made
Addition - Wikipedia The plus sign Addition is written using the plus sign "+" between the terms, and the result is expressed with an equals sign For example, + = reads "one plus two equals three" [2] Nonetheless, some situations where addition is "understood", even though no symbol appears: a whole number followed immediately by a fraction indicates the sum of the two, called a mixed number, with an example, [3
Signes plus et moins — Wikipédia Le signe plus peut représenter une multitude de lois de composition interne, différentes selon le système mathématique considéré Beaucoup de structures algébriques possèdent une loi qui s’appelle l’addition ou qui ont une analogie de propriétés avec l’addition Le signe moins a trois significations différentes, dont seule la première est systématiquement associée à un