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  2. Straight-twin engine - Wikipedia

    en.wikipedia.org/wiki/Straight-twin_engine

    During the development of the engine, it was found that a 360 degree crank angle was better suited to the use of a single carburettor than a 180 degree crank angle. [ 24 ] Following the trend created by the Triumph Speed Twin, the most common design used by British motorcycle manufacturers until the mid-1970s was a four-stroke straight-twin ...

  3. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    For example, if the precision is 15 figures, and these two numbers, b and the square root, are the same to 15 figures, the difference will be zero instead of the difference ε. A better accuracy can be obtained from a different approach, outlined below. [e] If we denote the two roots by r 1 and r 2, the quadratic equation can be written:

  4. List of Lycoming O-360 variants - Wikipedia

    en.wikipedia.org/wiki/List_of_Lycoming_O-360...

    O-360-A1C 180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the A1A except with a rear-mounted Bendix carburetor and 200 series magnetos. [1] [2] O-360-A1D 180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression ratio 8.50:1. Same as the A1A except with Bendix 200 series magnetos. [1 ...

  5. Comparison of spreadsheet software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_spreadsheet...

    The operating systems the software can run on natively (without emulation).Android and iOS apps can be optimized for Chromebooks and iPads which run the operating systems ChromeOS and iPadOS respectively, the operating optimizations include things like multitasking capabilities, large and multi-display support, better keyboard and mouse support.

  6. Heading (navigation) - Wikipedia

    en.wikipedia.org/wiki/Heading_(navigation)

    The difference is known as the drift, and can be determined by the wind triangle. At least seven ways to measure the heading of a vehicle have been described. [ 1 ] Heading is typically based on cardinal directions , so 0° (or 360°) indicates a direction toward true north , 90° true east , 180° true south , and 270° true west .

  7. Circular mean - Wikipedia

    en.wikipedia.org/wiki/Circular_mean

    For example, the arithmetic mean of 0° and 360° is 180°, which is misleading because 360° equals 0° modulo a full cycle. [1] As another example, the "average time" between 11 PM and 1 AM is either midnight or noon, depending on whether the two times are part of a single night or part of a single calendar day.

  8. Support programs for OS/360 and successors - Wikipedia

    en.wikipedia.org/.../360_and_successors

    The IEBCOMPR utility is used to compare two sequential or partitioned datasets. This data set comparison is performed at the logical record level. Therefore, IEBCOMPR is commonly used to verify that a backup copy of a data set is correct (exact match to the original). During processing, IEBCOMPR compares each record from each data set, one by one.

  9. Talk:Straight-twin engine/Archive 1 - Wikipedia

    en.wikipedia.org/wiki/Talk:Straight-twin_engine/...

    The supposed firing sequence of the 270° twin is not "big bang", since it's 270° between ignitions, then 450 degrees of "rest" - that is in order to get the compromised smoother firing than a 180° crank (180°-540°), but less smooth than a 360° crank (360°-360°).