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  2. Glossary of mathematical symbols - Wikipedia

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

    ± (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 +.

  3. List of typographical symbols and punctuation marks - Wikipedia

    en.wikipedia.org/wiki/List_of_typographical...

    Dotted circle (Used as a generic placeholder when describing diacritics) Combining Diacritical Marks ⹀ ⸗ Double hyphen: Almost equal to … Ellipsis = Equals sign ℮ Estimated sign! Exclamation mark: Inverted exclamation mark, Interrobang: ª: Feminine ordinal indicator: Masculine ordinal indicator, Degree sign (many) Fleuron: Dinkus ...

  4. Equality (mathematics) - Wikipedia

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

    In this equality, A and B are distinguished by calling them left-hand side (LHS), and right-hand side (RHS). [3] Two objects that are not equal are said to be distinct. [4] Equality is often considered a kind of primitive notion, meaning, its not formally defined, but rather informally said to be "a relation each thing bears to itself and ...

  5. Triple bar - Wikipedia

    en.wikipedia.org/wiki/Triple_bar

    An alternative notation for this usage is to typeset the letters "def" above an ordinary equality sign, =. [14] Similarly, another alternative notation for this usage is to precede the equals sign with a colon, :=. The colon notation has the advantage that it reflects the inherent asymmetry in the definition of one object from already defined ...

  6. Equals sign - Wikipedia

    en.wikipedia.org/wiki/Equals_sign

    The equals sign (British English) or equal sign (American English), also known as the equality sign, is the mathematical symbol =, which is used to indicate equality in some well-defined sense. [1] In an equation , it is placed between two expressions that have the same value, or for which one studies the conditions under which they have the ...

  7. Here's the 411 on All the Different Meanings for Heart Emojis

    www.aol.com/lifestyle/heres-411-different...

    Keep it for communications with your inner circle, including your S.O., as well as close friends and family, and, of course, those Valentine's Day Instagram posts. Turkan Rahimli - Getty Images ...

  8. Is the OK sign becoming an alt-right symbol?

    www.aol.com/news/2017-04-27-is-the-ok-sign...

    The Outline put together a report of evidence that the sign is quickly becoming co-opted by white nationalists as Pepe was. Prominent members of the alt-right movement have been seen making the ...

  9. Ventricle (heart) - Wikipedia

    en.wikipedia.org/wiki/Ventricle_(heart)

    The right ventricle is equal in size to the left ventricle [citation needed] and contains roughly 85 millilitres (3 imp fl oz; 3 US fl oz) in the adult. Its upper front surface is circled and convex, and forms much of the sternocostal surface of the heart.