Plus and minus signs
The plus sign () and the minus sign () are mathematical symbols used to denote positive and negative functions, respectively. In addition, represents the operation of addition, which results in a sum, while represents subtraction, resulting in a difference. Their use has been extended to many other meanings, more or less analogous. and are Latin terms meaning "more" and "less", respectively.The forms and are used in many countries around the word. Other designs include for plus and for minus. Provided by Wikipedia
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