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  2. Orders of magnitude (data) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(data)

    1.0 × 10 23 bits – increase in information capacity when 1 joule of energy is added to a heat-bath at 1 K (−272.15 °C) [21] 2 77 6.0 × 10 23 bits – information content of 1 mole (12.01 g) of graphite at 25 °C; equivalent to an average of 0.996 bits per atom .

  3. 64-bit computing - Wikipedia

    en.wikipedia.org/wiki/64-bit_computing

    Mac OS X 10.4 "Tiger" and Mac OS X 10.5 "Leopard" had only a 32-bit kernel, but they can run 64-bit user-mode code on 64-bit processors. Mac OS X 10.6 "Snow Leopard" had both 32- and 64-bit kernels, and, on most Macs, used the 32-bit kernel even on 64-bit processors. This allowed those Macs to support 64-bit processes while still supporting 32 ...

  4. F-space - Wikipedia

    en.wikipedia.org/wiki/F-space

    In particular, a Banach space is an F-space with an additional requirement that (,) = | | (,). [1] The L p spaces can be made into F-spaces for all p ≥ 0 {\displaystyle p\geq 0} and for p ≥ 1 {\displaystyle p\geq 1} they can be made into locally convex and thus Fréchet spaces and even Banach spaces.

  5. Free-space path loss - Wikipedia

    en.wikipedia.org/wiki/Free-space_path_loss

    In telecommunications, the free-space path loss (FSPL) (also known as free-space loss, FSL) is the attenuation of radio energy between the feedpoints of two antennas that results from the combination of the receiving antenna's capture area plus the obstacle-free, line-of-sight (LoS) path through free space (usually air). [1]

  6. Unit square - Wikipedia

    en.wikipedia.org/wiki/Unit_square

    The unit square in the real plane. In mathematics, a unit square is a square whose sides have length 1. Often, the unit square refers specifically to the square in the Cartesian plane with corners at the four points (0, 0), (1, 0), (0, 1), and (1, 1). [1]

  7. Square (algebra) - Wikipedia

    en.wikipedia.org/wiki/Square_(algebra)

    Hence, zero is the (global) minimum of the square function. The square x 2 of a number x is less than x (that is x 2 < x) if and only if 0 < x < 1, that is, if x belongs to the open interval (0,1). This implies that the square of an integer is never less than the original number x.

  8. Space-filling curve - Wikipedia

    en.wikipedia.org/wiki/Space-filling_curve

    It was common to associate the vague notions of thinness and 1-dimensionality to curves; all normally encountered curves were piecewise differentiable (that is, have piecewise continuous derivatives), and such curves cannot fill up the entire unit square. Therefore, Peano's space-filling curve was found to be highly counterintuitive.

  9. Square number - Wikipedia

    en.wikipedia.org/wiki/Square_number

    if the last digit of a number is 4 or 6, its square ends in an odd digit followed by a 6; and; if the last digit of a number is 5, its square ends in 25. In base 12, a square number can end only with square digits (like in base 12, a prime number can end only with prime digits or 1), that is, 0, 1, 4 or 9, as follows: