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  2. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign ( +) and the minus sign ( −) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference. [1] Their use has been extended to many other meanings, more or less analogous.

  3. Army Air Forces Gunnery Schools - Wikipedia

    en.wikipedia.org/wiki/Army_Air_Forces_Gunnery...

    Gunnery trainee fires on a scale model aircraft mounted on moving unmanned jeep. Army Air Forces Gunnery Schools were World War II organizations for training personnel in the skill of aerial gunnery. The several schools existed at domestic Army Airfields and gunnery ranges (3 schools opened in 1941). [1] : 20.

  4. National World - Wikipedia

    en.wikipedia.org/wiki/National_World

    Website. nationalworldplc .com. National World plc is a British multimedia company based in Leeds, England. The company was founded and listed on the London Stock Exchange in September 2019 as a media takeover vehicle. In January 2021, it acquired JPIMedia for £10.2 million.

  5. Accountant - Wikipedia

    en.wikipedia.org/wiki/Accountant

    v. t. e. An accountant is a practitioner of accounting or accountancy. Accountants who have demonstrated competency through their professional associations' certification exams are certified to use titles such as Chartered Accountant, Chartered Certified Accountant or Certified Public Accountant, or Registered Public Accountant.

  6. List of professional designations in the United States

    en.wikipedia.org/wiki/List_of_professional...

    A professional doctoral degree for naturopathic practitioners in the United States. Holders of the ND or NMD degree are known as naturopathic physicians in states where they may be licensed. The designation NMD is used in Arizona. Doctor of Business Administration. DBA or DrBA. Doctor of Education.

  7. Australia and the Empire Air Training Scheme - Wikipedia

    en.wikipedia.org/wiki/Australia_and_the_Empire...

    The Empire Air Training Scheme (EATS) was a policy designed to train Royal Australian Air Force pilots for eventual transfer into the Royal Air Force during World War II. The policy, dubbed the Empire Air Training Scheme in Australia, was envisioned after the British Empire was unable to supply enough pilots and aircraft for the Royal Air force.

  8. At sign - Wikipedia

    en.wikipedia.org/wiki/At_sign

    At sign. The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £ 2 per widget = £14), [1] now seen more widely in email addresses and social media platform handles. It is normally read aloud as "at" and is also commonly called the at symbol, commercial at, or address sign .

  9. Online machine learning - Wikipedia

    en.wikipedia.org/wiki/Online_machine_learning

    e. In computer science, online machine learning is a method of machine learning in which data becomes available in a sequential order and is used to update the best predictor for future data at each step, as opposed to batch learning techniques which generate the best predictor by learning on the entire training data set at once.