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  2. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.

  3. List of Mersenne primes and perfect numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_Mersenne_primes...

    Visualization of 6 as a perfect number Logarithmic graph of the number of digits of the largest known prime number by year, nearly all of which have been Mersenne primes ...

  4. List of dimensionless quantities - Wikipedia

    en.wikipedia.org/wiki/List_of_dimensionless...

    magnetostatics (ratio of the permeability of a specific medium to free space) Relative permittivity = electrostatics (ratio of capacitance of test capacitor with dielectric material versus vacuum) Specific gravity: SG (same as Relative density) Stefan number: Ste

  5. Nusselt number - Wikipedia

    en.wikipedia.org/wiki/Nusselt_number

    The Nusselt number is the ratio of total heat transfer (convection + conduction) to conductive heat transfer across a boundary. The convection and conduction heat flows are parallel to each other and to the surface normal of the boundary surface, and are all perpendicular to the mean fluid flow in the simple case.

  6. Integer programming - Wikipedia

    en.wikipedia.org/wiki/Integer_programming

    An integer programming problem is a mathematical optimization or feasibility program in which some or all of the variables are restricted to be integers.In many settings the term refers to integer linear programming (ILP), in which the objective function and the constraints (other than the integer constraints) are linear.

  7. highline.huffingtonpost.com

    highline.huffingtonpost.com/miracleindustry/...

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  8. Positive real numbers - Wikipedia

    en.wikipedia.org/wiki/Positive_real_numbers

    In mathematics, the set of positive real numbers, > = {>}, is the subset of those real numbers that are greater than zero. The non-negative real numbers, = {}, also include zero.

  9. PDF/E - Wikipedia

    en.wikipedia.org/wiki/PDF/E

    ISO 24517-1:2008 is an ISO Standard published in 2008.. Document management—Engineering document format using PDF—Part 1: Use of PDF 1.6 (PDF/E-1) This standard defines a format (PDF/E) for the creation of documents used in geospatial, construction and manufacturing workflows [1] and is based on the PDF Reference version 1.6 from Adobe Systems.