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  2. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    The first American-made pocket-sized calculator, the Bowmar 901B (popularly termed The Bowmar Brain), measuring 5.2 by 3.0 by 1.5 inches (132 mm × 76 mm × 38 mm), came out in the Autumn of 1971, with four functions and an eight-digit red LED display, for US$240, while in August 1972 the four-function Sinclair Executive became the first ...

  3. Computer programming - Wikipedia

    en.wikipedia.org/wiki/Computer_programming

    Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [1] [2] It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages.

  4. Texas hold 'em - Wikipedia

    en.wikipedia.org/wiki/Texas_hold_'em

    In Texas hold 'em, as in all variants of poker, individuals compete for an amount of money or chips contributed by the players themselves (called the pot).Because the cards are dealt randomly and outside the control of the players, each player attempts to control the amount of money in the pot based on the hand they are holding, [2] and on their prediction as to what their opponents may be ...

  5. Engineering drawing - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing

    Various scales may be used for different drawings in a set. For example, a floor plan may be drawn at 1:50 (1:48 or 1 ⁄ 4 ″ = 1′ 0″) whereas a detailed view may be drawn at 1:25 (1:24 or 1 ⁄ 2 ″ = 1′ 0″). Site plans are often drawn at 1:200 or 1:100. Scale is a nuanced subject in the use of engineering drawings.

  6. Ohio - Wikipedia

    en.wikipedia.org/wiki/Ohio

    Other significant earthquakes in Ohio include: [118] one of magnitude 4.8 near Lima on September 19, 1884; [119] one of magnitude 4.2 near Portsmouth on May 17, 1901; [120] and one of 5.0 in LeRoy Township in Lake County on January 31, 1986, which continued to trigger 13 aftershocks of magnitude 0.5 to 2.4 for two months.

  7. Elo rating system - Wikipedia

    en.wikipedia.org/wiki/Elo_rating_system

    Arpad Elo was a chess master and an active participant in the United States Chess Federation (USCF) from its founding in 1939. [4] The USCF used a numerical ratings system devised by Kenneth Harkness to enable members to track their individual progress in terms other than tournament wins and losses. The Harkness system was reasonably fair, but ...

  8. Webcam model - Wikipedia

    en.wikipedia.org/wiki/Webcam_model

    In the United States, webcam models are considered as self-employed workers, and their tax rate is 15.3% (where 12.4% is for social security and 2.9% for Medicare), plus income tax. If a webcam model earns more than $600 in a year, they are sent a 1099 form and are required to report the income to the IRS .