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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 . [1]
The plus–minus sign, ±, is a symbol with multiple meanings: In mathematics , it generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction .
± (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 +.
The plus and minus symbols are used to show the sign of a number. In mathematics, the sign of a real number is its property of being either positive, negative, or 0. In some contexts, it makes sense to consider a signed zero (such as floating-point representations of real numbers within computers). Depending on local conventions, zero may be ...
Plus–minus, ±, +/−, or variants may refer to: Plus–minus sign (±), a mathematical symbol which can mean either plus (+) or minus (−), or can indicate the uncertainty of a measurement or statistic. Plus–minus (sports), a sports statistic used to measure a player's impact on the game.
plus sign: 1360 (approx.), abbreviation for Latin et resembling the plus sign Nicole Oresme
At the ends of the lines leading right and left are found a plus sign (+), meaning positive, also sometimes referred to as "hot", and a minus sign (−), meaning negative, also sometimes referred to as "neutral".
The plus sign + (itself based on an et-ligature) is often informally used in place of an ampersand, sometimes with an added loop and resembling ɬ. [ citation needed ] Other times it is a single stroke with a diagonal line connecting the bottom to the left side.
Unary plus (integer promotion) +a: R K:: operator + (); R operator + (K a); Unary minus (additive inverse) -a: R K:: operator-(); R operator-(K a); Multiplication: a * b: R K:: operator * (S b); R operator * (K a, S b); Division: a / b: R K:: operator / (S b); R operator / (K a, S b); Modulo (integer remainder) a % b: R K:: operator % (S b); R ...
The common symbols for evaluating the merits of a move are "??", "?", "?!", "!?", "!", and "!!". The chosen symbol is appended to the text describing the move (e.g. Re7? or Kh1!?); see Algebraic chess notation . Use of these annotation symbols is subjective, as different annotators use the same symbols differently.