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  2. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    [20] [21] The acronym PEMDAS, which stands for Parentheses, Exponents, Multiplication/Division, Addition/Subtraction, [22] is common in the United States [23] and France. [24] Sometimes the letters are expanded into words of a mnemonic sentence such as "Please Excuse My Dear Aunt Sally". [ 25 ]

  3. List of mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_mnemonics

    Difference between Advice & Advise, Practice & Practise, Licence & License etc. Advice, Practice, Licence etc. (those with c) are nouns and Advise, Practise, License etc. are verbs. One way of remembering this is that the word ' n oun' comes before the word ' v erb' in the dictionary; likewise ' c' comes before ' s' , so the n ouns are 'practi ...

  4. Talk:Order of operations - Wikipedia

    en.wikipedia.org/wiki/Talk:Order_of_operations

    Mr. Swordfish and several others share a consensus that there is a difference between a mathematical operation and a symbol of grouping. Why, then, does he keep adding Parentheses to the list of mathematical operations? What does he think that adds to the article? Rick Norwood 21:55, 22 August 2023 (UTC) This is extremely simple.

  5. Mnemonic peg system - Wikipedia

    en.wikipedia.org/wiki/Mnemonic_peg_system

    The mnemonic peg system, invented by Henry Herdson, [1] is a memory aid that works by creating mental associations between two concrete objects in a one-to-one fashion that will later be applied to to-be-remembered information. [2]

  6. International Phonetic Alphabet - Wikipedia

    en.wikipedia.org/wiki/International_Phonetic...

    The official chart of the IPA, revised in 2020. The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script.It was devised by the International Phonetic Association in the late 19th century as a standard written representation for the sounds of speech. [1]

  7. Gin rummy - Wikipedia

    en.wikipedia.org/wiki/Gin_rummy

    Gin rummy, or simply gin, is a two-player card game variant of rummy.It has enjoyed widespread popularity as both a social and a gambling game, especially during the mid twentieth century, and remains today one of the most widely played two-player card games.

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  9. Hierarchy of angels - Wikipedia

    en.wikipedia.org/wiki/Hierarchy_of_angels

    However, it is clear that there is a set order or hierarchy that exists between angels, defined by the assigned jobs and various tasks to which angels are commanded by God. Some scholars suggest that Islamic angels can be grouped into fourteen categories, with some of the higher orders being considered archangels .