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Plus and minus are Latin terms meaning "more" and "less", respectively. The forms + and − are used in many countries around the world. Other designs include ﬩ for plus and ⁒ for minus. Though the signs now seem as familiar as the alphabet or the Hindu–Arabic numerals, they are not of great antiquity.
Word that describes both a plus and a minus sign? "sign"? "non-negative"? The word that you are looking for is the very word that you are using and that word is sign. If you are looking for something more "academic", then you can use its Latin variant, signum. Context can also effect what word you might choose.
Sep 28, 2009 · Your initial question is doomed by vocabulary to begin with: take “Minus times a minus is a plus”. do the following replacements: minus -> opposite times -> of plus -> normal. Surely we can agree that the opposite of an opposite is back to normal.
- Alternative Symbols
- Subtraction as Adding The Negative
- More on The Raised Minus
This notation looks like “a−b=−b” or “2 + ⁻3 = ⁻1”. It isn’t the only notation that’s been used. You may recall that two weeks ago we saw that DeMorgan represented negative numbers by a bar over the number, as seen here (p. 46): His 4¯¯¯ wouldn’t work so well as an operation, but was a reasonable attempt to distinguish negation from subtraction. Th...
This definition of subtraction as “adding the opposite” can’t be used before students have learned about negatives, or in contexts dealing only with natural numbers. There, we define subtraction as the inverse operation of addition. That is, the difference a−b=c is the (unique) number c such that a=b+c. Subtraction “finds the missing addend”. This ...
I did some searching of my own, hoping to find examples of the raised negative in modern materials; but at the time that was hard to find; the only source I found no longer exists. It is easier to find references to it today; one reference I find to it, here, says Wikipedia mentions it (here) without citation. American teaching standards don’t ment...
Plus means positive and minus means negative. In mathematics, the word sign refers to the property of being positive or negative. Every real number that is non-zero is either positive or negative, and therefore has a sign. Zero itself is without a sign, or signless.
Mar 12, 2024 · As with the plus symbol, you can place the minus symbol in front of a number to show that it has a negative value. This is much more common, since written numbers are not negative by default. As an example, writing "-3" shows that you're referring to negative 3. 3. Equals Symbol (=)
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± (plus–minus sign) 1. Denotes either a plus sign or a minus sign. 2. Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ (minus-plus sign) Used paired with ±, denotes the opposite sign; that is, + if ± is –, and – if ± is +.
