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  2. Montgomery modular multiplication - Wikipedia

    en.wikipedia.org/wiki/Montgomery_modular...

    Removing the extra factor of R can be done by multiplying by an integer R′ such that RR′ ≡ 1 (mod N), that is, by an R′ whose residue class is the modular inverse of R mod N. Then, working modulo N, () ′ () (). The integer R′ exists because of the assumption that R and N are coprime.

  3. Fixed-point arithmetic - Wikipedia

    en.wikipedia.org/wiki/Fixed-point_arithmetic

    To convert a number from a fixed point type with scaling factor R to another type with scaling factor S, the underlying integer must be multiplied by the ratio R/S. Thus, for example, to convert the value 1.23 = 123/100 from scaling factor R=1/100 to one with scaling factor S=1/1000, the integer 123 must be multiplied by (1/100)/(1/1000) = 10 ...

  4. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property.

  5. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    List of conversion factors. 1 language. ... The solid angle subtended at the center of a sphere of radius r by a portion of the sphere having an area r 2.

  6. What is a factor rate and how to calculate it - AOL

    www.aol.com/finance/factor-rate-calculate...

    Here are two methods for converting a factor rate to interest rates. Method one. Step 1: Subtract 1 from the factor rate. Step 2: Multiply the decimal by 365.

  7. Scale factor (computer science) - Wikipedia

    en.wikipedia.org/wiki/Scale_factor_(computer...

    The example above illustrates how certain scale factors can cause unnecessary precision loss or rounding error, highlighting the importance of choosing the right scale factor. Using the scale factor of 1 ⁄ 11 and converting to binary representations, the following values are obtained:

  8. Factorization of polynomials over finite fields - Wikipedia

    en.wikipedia.org/wiki/Factorization_of...

    Algorithm: SFF (Square-Free Factorization) Input: A monic polynomial f in F q [x] where q = p m Output: Square-free factorization of f R ← 1 # Make w be the product (without multiplicity) of all factors of f that have # multiplicity not divisible by p c ← gcd(f, f′) w ← f/c # Step 1: Identify all factors in w i ← 1 while w ≠ 1 do y ...

  9. Elliptic coordinate system - Wikipedia

    en.wikipedia.org/wiki/Elliptic_coordinate_system

    In an orthogonal coordinate system the lengths of the basis vectors are known as scale factors. The scale factors for the elliptic coordinates ( μ , ν ) {\displaystyle (\mu ,\nu )} are equal to h μ = h ν = a sinh 2 ⁡ μ + sin 2 ⁡ ν = a cosh 2 ⁡ μ − cos 2 ⁡ ν . {\displaystyle h_{\mu }=h_{\nu }=a{\sqrt {\sinh ^{2}\mu +\sin ^{2 ...