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  2. Symbolab - Wikipedia

    en.wikipedia.org/wiki/Symbolab

    Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero. [3] [4]

  3. Template:Refund log/doc - Wikipedia

    en.wikipedia.org/wiki/Template:Refund_log/doc

    This template can be used on personal CSD logs often created by the Twinkle feature to easily denote that the page is a blue link because it was refunded per the CSD: G13 guideline. {{Refund log}} Example:

  4. WolframAlpha - Wikipedia

    en.wikipedia.org/wiki/WolframAlpha

    Users submit queries and computation requests via a text field. WolframAlpha then computes answers and relevant visualizations from a knowledge base of curated, structured data that come from other sites and books.

  5. Course Hero buys Symbolab in a rare edtech acquisition

    www.aol.com/news/course-hero-buys-symbolab-rare...

    The 9-person Symbolab team, based in Tel Aviv, will join Course Hero . The platforms will live under independent branding for the near future, according to Andrew Grauer, CEO of Course Hero.

  6. How to file for your $114 FTC refund from the creator ... - AOL

    www.aol.com/finance/file-114-ftc-refund-creator...

    First, go to the FTC site to fill out the official refund form. You’ll need to have either a previously obtained claim number or your Epic Account ID and must be located in the U.S.

  7. Exponential integral - Wikipedia

    en.wikipedia.org/wiki/Exponential_integral

    For real non-zero values of x, the exponential integral Ei(x) is defined as ⁡ = =. The Risch algorithm shows that Ei is not an elementary function.The definition above can be used for positive values of x, but the integral has to be understood in terms of the Cauchy principal value due to the singularity of the integrand at zero.

  8. Computer algebra system - Wikipedia

    en.wikipedia.org/wiki/Computer_algebra_system

    a programming language and an interpreter (the result of a computation commonly has an unpredictable form and an unpredictable size; therefore user intervention is frequently needed), a simplifier, which is a rewrite system for simplifying mathematics formulas,

  9. Floor and ceiling functions - Wikipedia

    en.wikipedia.org/wiki/Floor_and_ceiling_functions

    Given real numbers x and y, integers m and n and the set of integers, floor and ceiling may be defined by the equations ⌊ ⌋ = {}, ⌈ ⌉ = {}. Since there is exactly one integer in a half-open interval of length one, for any real number x, there are unique integers m and n satisfying the equation