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Typically, in a polynomial expression, like terms are those that contain the same variables to the same powers, possibly with different coefficients. More generally, when some variable are considered as parameters, like terms are defined similarly, but "numerical factors" must be replaced by "factors depending only on the parameters".
Feminine ordinal indicator, Degree sign: −: Minus sign: Hyphen-minus, Commercial minus: ×: Multiplication sign: X mark # Number sign: Numero sign. Also known as "octothorpe", "hash" and "hashtag sign" Pound sign № Numero sign: Number sign: Obelus: Division sign, Dagger, Commercial minus, Index ( ) Parenthesis: Bracket, Angle bracket ...
In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
Equality and equations are often used to introduce new terms or symbols, establish equivalences, and introduce shorthand for complex expressions. When defining a new symbol, it is usually denoted with (:=). It is similar to the concept of assignment of a variable in computer science.
In addition to the sign of a real number, the word sign is also used in various related ways throughout mathematics and other sciences: Words up to sign mean that, for a quantity q, it is known that either q = Q or q = −Q for certain Q. It is often expressed as q = ±Q. For real numbers, it means that only the absolute value |q| of the ...
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Like raw strings, there can be any number of equals signs between the square brackets, provided both the opening and closing tags have a matching number of equals signs; this allows nesting as long as nested block comments/raw strings use a different number of equals signs than their enclosing comment: --[[comment --[=[ nested comment ...
In March, a mother was horrified to find a pedophile symbol on a toy she bought for her daughter. Although the symbol was not intentionally placed on the toy by the company who manufactured the ...