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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. [1]
In Unicode. U+2640 ♀ FEMALE SIGN U+2642 ♂ MALE SIGN. U+26A5 ⚥ MALE AND FEMALE SIGN U+25B3 WHITE UP-POINTING TRIANGLE. U+25A1 WHITE SQUARE U+25CB WHITE CIRCLE. The three standard sex symbols in biology are male ♂, female ♀ and hermaphroditic ⚥; originally the symbol for Mercury, ☿, was used for the last.
The plus sign is predominantly used in algebra to denote the binary operation of addition, and only rarely to emphasize the positivity of an expression. In common numeral notation (used in arithmetic and elsewhere), the sign of a number is often made explicit by placing a plus or a minus sign before the number.
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 +.
In mathematical formulas, the ± symbol may be used to indicate a symbol that may be replaced by either the plus and minus signs, + or −, allowing the formula to represent two values or two equations.
The following table lists many specialized symbols commonly used in modern mathematics, ordered by their introduction date. The table can also be ordered alphabetically by clicking on the relevant header title. Symbol. Name. Date of earliest use. First author to use. —.
The masculine ordinal indicator º may be confused with the degree sign ° (U+00B0), which looks very similar and which is provided on the Italian and Latin American keyboard layouts.
Mathematical notation consists of using symbols for representing operations, unspecified numbers, relations, and any other mathematical objects and assembling them into expressions and formulas. Mathematical notation is widely used in mathematics, science, and engineering for representing complex concepts and properties in a concise ...
Mathematical Operators is a Unicode block containing characters for mathematical, logical, and set notation. Notably absent are the plus sign (+), greater than sign (>) and less than sign (<), due to them already appearing in the Basic Latin Unicode block, and the plus-or-minus sign (±), multiplication sign (×) and obelus (÷), due to them ...
Gender includes the social, psychological, cultural and behavioral aspects of being a man, woman, or other gender identity. [1] [2] Depending on the context, this may include sex -based social structures (i.e. gender roles) and gender expression.