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  2. Slide rule - Wikipedia

    en.wikipedia.org/wiki/Slide_rule

    For example, the range 1 to 10 is a single decade, and the range from 10 to 100 is another decade. Thus, single-decade scales (named C and D) range from 1 to 10 across the entire length of the slide rule, while double-decade scales (named A and B) range from 1 to 100 over the length of the slide rule.

  3. Molar volume - Wikipedia

    en.wikipedia.org/wiki/Molar_volume

    The molar volume of an ideal gas at 100 kPa (1 bar) is 0.022 710 954 641 485... m 3 /mol at 0 °C, 0.024 789 570 296 023... m 3 /mol at 25 °C. The molar volume of an ideal gas at 1 atmosphere of pressure is 0.022 413 969 545 014... m 3 /mol at 0 °C, 0.024 465 403 697 038... m 3 /mol at 25 °C.

  4. Density - Wikipedia

    en.wikipedia.org/wiki/Density

    Mathematically, density is defined as mass divided by volume: [1] =, where ρ is the density, m is the mass, and V is the volume. In some cases (for instance, in the United States oil and gas industry), density is loosely defined as its weight per unit volume , [ 2 ] although this is scientifically inaccurate – this quantity is more ...

  5. Methods of computing square roots - Wikipedia

    en.wikipedia.org/wiki/Methods_of_computing...

    A method analogous to piece-wise linear approximation but using only arithmetic instead of algebraic equations, uses the multiplication tables in reverse: the square root of a number between 1 and 100 is between 1 and 10, so if we know 25 is a perfect square (5 × 5), and 36 is a perfect square (6 × 6), then the square root of a number greater than or equal to 25 but less than 36, begins with ...

  6. Coordinate system - Wikipedia

    en.wikipedia.org/wiki/Coordinate_system

    For example, Plücker coordinates are used to determine the position of a line in space. [11] When there is a need, the type of figure being described is used to distinguish the type of coordinate system, for example the term line coordinates is used for any coordinate system that specifies the position of a line.

  7. Droop quota - Wikipedia

    en.wikipedia.org/wiki/Droop_quota

    By contrast, the Droop quota is more biased towards large parties than any other admissible quota. [20] As a result, the Droop quota is the quota most likely to produce minority rule by a plurality party, where a party representing less than half of the voters may take majority of seats in a constituency. [20]

  8. Chargaff's rules - Wikipedia

    en.wikipedia.org/wiki/Chargaff's_rules

    Examples — computing whole human genome using the first codons reading frame provides: 36530115 TTT and 36381293 AAA (ratio % = 1.00409). 2087242 TCG and 2085226 CGA (ratio % = 1.00096), etc... In 2020, it is suggested that the physical properties of the dsDNA (double stranded DNA) and the tendency to maximum entropy of all the physical ...

  9. Chi-squared distribution - Wikipedia

    en.wikipedia.org/wiki/Chi-squared_distribution

    It enters all analysis of variance problems via its role in the F-distribution, which is the distribution of the ratio of two independent chi-squared random variables, each divided by their respective degrees of freedom.