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  2. TI-30 - Wikipedia

    en.wikipedia.org/wiki/TI-30

    The original TI-30. The TI-30 is a scientific calculator manufactured by Texas Instruments, the first model of which was introduced in 1976.While the original TI-30 was discontinued in 1983 after several design revisions, TI maintains the TI-30 designation as a branding for its low and mid-range scientific calculators.

  3. TI-86 - Wikipedia

    en.wikipedia.org/wiki/TI-86

    In addition to having a larger screen than the TI-83, the TI-86 also allows the user to type in lower case and Greek letters and features five softkeys, which improve menu navigation and can be programmed by the user for quick access to common operations such as decimal-to-fraction conversion. The calculator also handles vectors, matrices and ...

  4. Sinclair Scientific - Wikipedia

    en.wikipedia.org/wiki/Sinclair_Scientific

    50 by 111 by 19 millimetres (1.97 in × 4.37 in × 0.75 in) (Scientific) 73 by 155 by 34 millimetres (2.9 in × 6.1 in × 1.3 in) (Scientific Programmable) The Sinclair Scientific was a 12-function, pocket-sized scientific calculator introduced in 1974, dramatically undercutting in price other calculators available at the time.

  5. Taylor knock-out factor - Wikipedia

    en.wikipedia.org/wiki/Taylor_knock-out_factor

    [1] [2] [3] [13] Taylor himself acknowledged this, stating "in the case of soft-skinned non-dangerous game, such as is generally shot at medium to long ranges, theoretical mathematical energy may possibly prove a more reliable guide" and that his formula was designed to measure a cartridge's performance against the large, thick skinned, big ...

  6. Gottfried Wilhelm Leibniz - Wikipedia

    en.wikipedia.org/wiki/Gottfried_Wilhelm_Leibniz

    Gottfried Wilhelm Leibniz or Leibnitz [a] (1 July 1646 [O.S. 21 June] – 14 November 1716) was a German polymath active as a mathematician, philosopher, scientist and diplomat who is credited, alongside Sir Isaac Newton, with the creation of calculus in addition to many other branches of mathematics, such as binary arithmetic, and statistics.

  7. Vigorish - Wikipedia

    en.wikipedia.org/wiki/Vigorish

    For example, 1. 90 /2.00 pricing of an even match is 4.55% vigorish, and 1.95/1.95 pricing is 2.38% vigorish. Vigorish percentage for three-way events may be calculated using the following formula: [5] = / + / + / / + / + / where p, q and t are the decimal payouts for each outcome. For comparison, for over round calculation only the upper part ...

  8. International Bank for Reconstruction and Development

    en.wikipedia.org/wiki/International_Bank_for...

    In 2011, the IBRD loaned about US$26 billion, which represented just a "fraction of the $72 billion the IMF approved as a credit line to a single nation, Mexico." [ 11 ] In the early 2010s, the total of "capital investments in emerging markets from all sources have topped $1 trillion annually". [ 11 ]