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  2. Nazi symbolism - Wikipedia

    en.wikipedia.org/wiki/Nazi_symbolism

    The Nazis' principal symbol was the swastika, which the newly established Nazi Party formally adopted in 1920. [1] The formal symbol of the party was the Parteiadler , an eagle atop a swastika. The black-white-red motif is based on the colours of the flags of the German Empire .

  3. 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 ...

  4. Quadratic formula - Wikipedia

    en.wikipedia.org/wiki/Quadratic_formula

    When ⁠ ⁠ has the opposite sign as either ⁠ + ⁠ or ⁠ ⁠, subtraction can cause catastrophic cancellation, resulting in poor accuracy in numerical calculations; choosing between the version of the quadratic formula with the square root in the numerator or denominator depending on the sign of ⁠ ⁠ can avoid this problem.

  5. 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 +.

  6. Swastika - Wikipedia

    en.wikipedia.org/wiki/Swastika

    The word swastika is derived from the Sanskrit root swasti, which is composed of su 'good, well' and asti 'is; it is; there is'. [27] The word swasti occurs frequently in the Vedas as well as in classical literature, meaning 'health, luck, success, prosperity', and it was commonly used as a greeting.

  7. Division sign - Wikipedia

    en.wikipedia.org/wiki/Division_sign

    The division sign (÷) is a mathematical symbol consisting of a short horizontal line with a dot above and another dot below, used in Anglophone countries to indicate the operation of division. This usage, though widespread in some countries, is not universal and the symbol has a different meaning in other countries.

  8. List of Japanese typographic symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_Japanese...

    komejirushi (米印, "rice symbol") This symbol is used in notes (註, chū) as a reference mark, similar to an asterisk * 2196: 1-1-86: FF0A: hoshijirushi (星印, "star symbol") asterisk (アステリスク, "asterisk") This symbol is used in notes (註, chū) 〽: 1-3-28: 303D: ioriten (庵点) This mark is used to show the start of a ...

  9. Planet symbols - Wikipedia

    en.wikipedia.org/wiki/Planet_symbols

    A planet symbol or planetary symbol is a graphical symbol used in astrology and astronomy to represent a classical planet (including the Sun and the Moon) or one of the modern planets. The symbols were also used in alchemy to represent the metals associated with the planets , and in calendars for their associated days.