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wikipedia.org
https://en.wikipedia.org/wiki/Plus_and_minus_signs
Plus and minus signs - Wikipedia
The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, the symbol + represents the operation of addition, which results in a sum, while the symbol − represents subtraction, resulting in a difference. [1]
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plusweb.org
https://plusweb.org/
PLUS
PLUS Foundation The PLUS Foundation assumes a leading role in championing tomorrow's diverse workforce by actively engaging in outreach, education, mentoring, and philanthropy, solidifying its position as a prominent advocate within the industry.
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mathematics-monster.com
https://www.mathematics-monster.com/symbols/Plus-S…
The "Plus Sign (+)" Symbol - Mathematics Monster
Representing the operation of addition, the + symbol indicates the process of combining two or more quantities. It's an essential building block of arithmetic and foundational to more advanced mathematical concepts.
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ultius.com
https://www.ultius.com/glossary/grammar/punctuatio…
Plus Sign (+) - Punctuation | Ultius
The word plus means “more” in Latin, and minus means “less.” Although hieroglyphics existed in early Egyptian times to symbolize addition, it is not clear whether these symbols became the basis for today’s plus sign. The earliest known use was in Nicole Oresme’s manuscripts in the 14th century B.C.E.
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wumbo.net
https://wumbo.net/symbols/plus/
Plus Symbol (+)
The plus symbol is used in math to represent the addition operator. Typically, the symbol is used in an expression like this:
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dictionary.com
https://www.dictionary.com/browse/plus
PLUS Definition & Meaning | Dictionary.com
Since plus as a preposition has long had the meanings “more by the addition of ” and “with the addition of,” it was but a short step to a newer use, mainly in informal writing and speech, as a conjunction meaning “also, and, furthermore.” Although this use is increasing, many object to it, and it is rare in more formal writing.
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goldkeysymbols.com
https://goldkeysymbols.com/symbol/plus-symbol/
Plus Symbol (+) - GoldKey Symbols
The plus sign, also known as the plus symbol, isn’t only a representation of addition or positive numbers in mathematics. Its symbolism extends far beyond these mathematical applications, permeating various cultural, spiritual, and practical contexts.