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  2. List of fact-checking websites - Wikipedia

    en.wikipedia.org/wiki/List_of_fact-checking_websites

    Lead Stories: fact checks posts that Facebook flags but also use its own technology, called "Trendolizer", to detect trending hoaxes from hundreds of known fake news sites, satirical websites and prank generators. Media Bias/Fact Check. An American websites with focus on "political bias" and "factual reporting"..

  3. List of scams - Wikipedia

    en.wikipedia.org/wiki/List_of_scams

    The scam may extend to the creation of Web sites for the bogus brand, which usually sounds similar to that of a respected loudspeaker company. They will often place an ad for the speakers in the "For sale" Classifieds of the local newspaper, at the exorbitant price, and then show the mark a copy of this ad to "verify" their worth.

  4. Glossary of mathematical symbols - Wikipedia

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

    A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...

  5. IRS says taxpayers are getting scam emails about stimulus checks

    www.aol.com/irs-says-taxpayers-getting-scam...

    The Internal Revenue Service said it is seeing several new and recurring scams popping up, including one that is suggesting the IRS is sending out another round of stimulus checks.

  6. Identify legitimate AOL websites, requests, and communications

    help.aol.com/articles/identify-legitimate-aol...

    1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Identify legitimate AOL websites, requests, and communications. Scammers and bad actors are always looking for ways to get personal info with malicious intent.

  7. Extreme value theory - Wikipedia

    en.wikipedia.org/wiki/Extreme_value_theory

    Extreme value theory or extreme value analysis ( EVA) is a branch of statistics dealing with the extreme deviations from the median of probability distributions. It seeks to assess, from a given ordered sample of a given random variable, the probability of events that are more extreme than any previously observed.

  8. List of mathematical functions - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_functions

    The integral of the Dirac delta function. Sawtooth wave. Square wave. Triangle wave. Rectangular function. Floor function: Largest integer less than or equal to a given number. Ceiling function: Smallest integer larger than or equal to a given number. Sign function: Returns only the sign of a number, as +1 or −1.

  9. Floor and ceiling functions - Wikipedia

    en.wikipedia.org/wiki/Floor_and_ceiling_functions

    Floor function. Ceiling function. In mathematics, the floor function is the function that takes as input a real number x, and gives as output the greatest integer less than or equal to x, denoted ⌊x⌋ or floor (x). Similarly, the ceiling function maps x to the smallest integer greater than or equal to x, denoted ⌈x⌉ or ceil (x).