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  2. Quarter-comma meantone - Wikipedia

    en.wikipedia.org/wiki/Quarter-comma_meantone

    Quarter-comma meantone, or ⁠ 1 4 ⁠-comma meantone, was the most common meantone temperament in the sixteenth and seventeenth centuries, and was sometimes used later. In this system the perfect fifth is flattened by one quarter of a syntonic comma ( 81 : 80 ), with respect to its just intonation used in Pythagorean tuning (frequency ratio 3 ...

  3. VisiCalc - Wikipedia

    en.wikipedia.org/wiki/VisiCalc

    VisiCalc ("visible calculator") [1] is the first spreadsheet computer program for personal computers, [2] originally released for the Apple II by VisiCorp on October 17, 1979. [1] [3] It is considered the killer application for the Apple II, [4] turning the microcomputer from a hobby for computer enthusiasts into a serious business tool, and then prompting IBM to introduce the IBM PC two years ...

  4. History of Apple Inc. - Wikipedia

    en.wikipedia.org/wiki/History_of_Apple_Inc.

    History of Apple Inc. Current Apple Inc. logo, introduced in 1998, discontinued in 2000, and re-established in 2014 [1] Apple Inc., originally Apple Computer, Inc., is a multinational corporation that creates and markets consumer electronics and attendant computer software, and is a digital distributor of media content.

  5. Mandelbrot set - Wikipedia

    en.wikipedia.org/wiki/Mandelbrot_set

    The Mandelbrot set within a continuously colored environment. The Mandelbrot set (/ ˈmændəlbroʊt, - brɒt /) [1][2] is a two-dimensional set with a relatively simple definition that exhibits great complexity, especially as it is magnified. It is popular for its aesthetic appeal and fractal structures. The set is defined in the complex plane ...

  6. Divided differences - Wikipedia

    en.wikipedia.org/wiki/Divided_differences

    Divided differences. In mathematics, divided differences is an algorithm, historically used for computing tables of logarithms and trigonometric functions. [citation needed] Charles Babbage 's difference engine, an early mechanical calculator, was designed to use this algorithm in its operation. [1]

  7. Here’s what Walmart’s 3-for-1 stock split means for investors

    www.aol.com/finance/walmart-3-1-stock-split...

    Loaded 0%. Walmart (WMT) investors are gearing up for a stock split. For the 12th time in 50 years, Walmart will conduct a stock split in an effort to make shares more affordable for its employees ...

  8. Reverse stock split - Wikipedia

    en.wikipedia.org/wiki/Reverse_stock_split

    The "reverse stock split" appellation is a reference to the more common stock split in which shares are effectively divided to form a larger number of proportionally less valuable shares. New shares are typically issued in a simple ratio, e.g. 1 new share for 2 old shares, 3 for 4, etc. A reverse split is the opposite of a stock split.

  9. Stock split - Wikipedia

    en.wikipedia.org/wiki/Stock_split

    A stock split or stock divide increases the number of shares in a company. For example, after a 2-for-1 split, each investor will own double the number of shares, and each share will be worth half as much. A stock split causes a decrease of market price of individual shares, but does not change the total market capitalization of the company ...