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  2. Mathematical notation - Wikipedia

    en.wikipedia.org/wiki/Mathematical_notation

    An expression is a finite combination of symbols that is well-formed according to rules that depend on the context. In general, an expression denotes or names a mathematical object, and plays therefore in the language of mathematics the role of a noun phrase in the natural language.

  3. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    2. Denotes the additive inverse and is read as minus, the negative of, or the opposite of; for example, –2. 3. Also used in place of \ for denoting the set-theoretic complement; see \ in § Set theory. × (multiplication sign) 1. In elementary arithmetic, denotes multiplication, and is read as times; for example, 3 × 2. 2.

  4. Complex number - Wikipedia

    en.wikipedia.org/wiki/Complex_number

    Multiplication of 2 + i (blue triangle) and 3 + i (red triangle). The red triangle is rotated to match the vertex of the blue one (the adding of both angles in the terms φ 1 +φ 2 in the equation) and stretched by the length of the hypotenuse of the blue triangle (the multiplication of both radiuses, as per term r 1 r 2 in the equation).

  5. This is why you should give your dog choices when training ...

    www.aol.com/why-dog-choices-training-them...

    When you’re training a dog, it’s vital to gain their trust. If a dog feels like they’re being forced to do something, they might find the situation more stressful or appear stubborn – so ...

  6. Expression (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Expression_(mathematics)

    A formal expression is a kind of string of symbols, created by the same production rules as standard expressions, however, they are used without regard to the meaning of the expression. In this way, two formal expressions are considered equal only if they are syntactically equal, that is, if they are the exact same expression.

  7. Sydney Sweeney Goes Pantsless for Rare Date Night with Fiancé

    www.aol.com/sydney-sweeney-goes-pantsless-rare...

    Sweeney made the designer bag the centerpiece of her outfit, however, by committing to the maximalist bag charm trend.She decorated the $2,750 Miu Miu design with blue and pink lanyards, strings ...

  8. Putin lowers bar for Russia to use nuclear weapons as ... - AOL

    www.aol.com/putin-lowers-bar-russia-nuclear...

    WASHINGTON − Ukraine carried out its first strike using long-range U.S.-provided missiles on Tuesday. Later, Russian President Vladimir Putin lowered the bar for Russia’s use of nuclear weapons.

  9. Modulo - Wikipedia

    en.wikipedia.org/wiki/Modulo

    In computing, the modulo operation returns the remainder or signed remainder of a division, after one number is divided by another, called the modulus of the operation.. Given two positive numbers a and n, a modulo n (often abbreviated as a mod n) is the remainder of the Euclidean division of a by n, where a is the dividend and n is the divisor.