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1. Constants: This page lists various constants used in physics and some useful conversions. The number in brackets represents the uncertainty in the constant, so that has an uncertainty of. [100%] 2023-02-27 [Physics] [Chemistry]...
2. Logical Constants: Logic is usually thought to concern itself only with features that sentences and arguments possess in virtue of their logical structures or forms. The logical form of a sentence or argument is determined by its syntactic or semantic structure and ... (Philosophy) [70%] 2022-07-23
3. IAU (1976) System of Astronomical Constants: The International Astronomical Union at its XVIth General Assembly in Grenoble in 1976, accepted (Resolution No. 1) a whole new consistent set of astronomical constants recommended for reduction of astronomical observations, and for computation of ephemerides. (1976) [40%] 2023-12-27 [Astronomy] [Physical constants]...
4. Polarization constants: In potential theory and optimization, polarization constants (also known as Chebyshev constants) are solutions to a max-min problem for potentials. Originally, these problems were introduced by a Japanese mathematician Makoto Ohtsuka. (Physics) [70%] 2023-11-20 [Potential theory]
5. Lamé constants: Quantities that connect the components of an elastic stress at some point of a linearly-elastic (or solid deformable) isotropic body with the components of the deformation at this point: $$ \sigma_x = 2 \mu \epsilon_{xx} + \lambda(\epsilon_{xx} + \epsilon_{yy ... (Mathematics) [70%] 2023-11-20
6. Beraha constants: The Beraha constants are a series of mathematical constants by which the n th {\displaystyle n{\text{th}}} Beraha constant is given by Notable examples of Beraha constants include B ( 5 ) {\displaystyle B(5)} is φ + 1 {\displaystyle \varphi +1} , where ... (Mathematical constants) [70%] 2024-01-12 [Mathematical constants]
7. Beraha constants: The Beraha constants are a series of mathematical constants by which the \displaystyle{ n\text{th} }[/math] Beraha constant is given by Notable examples of Beraha constants include \displaystyle{ B (5) }[/math]is \displaystyle{ \varphi + 1 }[/math], where \displaystyle{ \varphi ... (Mathematical constants) [70%] 2023-11-20 [Mathematical constants]
8. Ground constants: In telecommunication, ground constants are the electrical parameters of earth: electrical conductivity, σ, electrical permittivity, ε, and magnetic permeability, μ. The values of these parameters vary with the local chemical composition and density of the Earth. (Engineering) [70%] 2023-11-20 [Telecommunications engineering]
9. Lebesgue constants: The quantities $$ L _ {n} = \frac{1} \pi \int\limits _ {- \pi } ^ \pi | D _ {n} ( t) | dt , $$ where $$ D _ {n} ( t) = \frac{\sin \left ( \frac{2n + 1 }{2} t \right ) }{2 \sin ( t/2 ) } $$ is the Dirichlet kernel ... (Mathematics) [70%] 2023-11-19
10. Stellar constants: Stellar constants characterize the stellar level of matter, describing the typical physical quantities inherent in stars and planetary systems of stars. In some cases stellar constants are the natural units, in which physical quantities can be measured at the level ... [70%] 2023-04-02 [Theory of infinite nesting of matter] [Stellar constants]...
11. Feigenbaum constants: In mathematics, specifically bifurcation theory, the Feigenbaum constants /ˈfaɪɡənˌbaʊm/ are two mathematical constants which both express ratios in a bifurcation diagram for a non-linear map. They are named after the physicist Mitchell J. (Mathematical constants related to chaotic behavior) [70%] 2023-12-28 [Dynamical systems] [Eponymous numbers in mathematics]...
12. Motor constants: The motor size constant ( K M {\displaystyle K_{\text{M}}} ) and motor velocity constant ( K v {\displaystyle K_{\text{v}}} , alternatively called the back EMF constant) are values used to describe characteristics of electrical motors. K M {\displaystyle K_{\text ... (Constants describing characteristics of electrical motors) [70%] 2023-12-28 [Electric motors]
13. Vacuum constants: Vacuum constants are physical constants associated with the fields existing in the free space under high vacuum. The values of these constants can be determined from the analysis of the interaction of fields with matter. [70%] 2023-03-06 [Vacuum] [Electromagnetism]...
14. Feigenbaum constants: In mathematics, specifically bifurcation theory, the Feigenbaum constants /ˈfaɪɡənˌbaʊm/ are two mathematical constants which both express ratios in a bifurcation diagram for a non-linear map. They are named after the physicist Mitchell J. (Mathematical constants related to chaotic behavior) [70%] 2024-11-10 [Dynamical systems] [Mathematical constants]...
15. Compliance constants: Compliance constants are the elements of an inverted Hessian matrix. The calculation of compliance constants provides an alternative description of chemical bonds in comparison with the widely used force constants explicitly ruling out the dependency on the coordinate system. (Physics) [70%] 2025-03-14 [Chemical bonding] [Intermolecular forces]...
16. Variation of constants: A method for solving inhomogeneous (non-homogeneous) linear ordinary differential systems (or equations). For an inhomogeneous system, this method makes it possible to write down in closed form the general solution, if the general solution of the corresponding homogeneous system ... (Mathematics) [57%] 2023-11-13
17. Primary line constants: The primary line constants are parameters that describe the characteristics of conductive transmission lines, such as pairs of copper wires, in terms of the physical electrical properties of the line. The primary line constants are only relevant to transmission lines ... (Engineering) [57%] 2023-11-20 [Electronic design] [Telecommunications engineering]...
18. Two-constants theorem: Let $ D $ be a finitely-connected Jordan domain in the $ z $- plane and let $ w ( z) $ be a regular analytic function in $ D $ satisfying the inequality $ | w ( z) | \leq M $, as well as the relation $$ \lim\limits _ {z \rightarrow ... (Mathematics) [57%] 2024-01-12
19. Stability constants of complexes: In coordination chemistry, a stability constant (also called formation constant or binding constant) is an equilibrium constant for the formation of a complex in solution. It is a measure of the strength of the interaction between the reagents that come ... (Chemistry) [50%] 2023-12-02 [Equilibrium chemistry] [Coordination chemistry]...
20. List of mathematical constants: A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. For example ... (None) [50%] 2023-10-25 [Mathematical constants] [Mathematics-related lists]...
21. Determination of equilibrium constants: Equilibrium constants are determined in order to quantify chemical equilibria. When an equilibrium constant is expressed as a concentration quotient, it is implied that the activity quotient is constant. [50%] 2023-11-11 [Analytical chemistry]
22. Determination of equilibrium constants: Equilibrium constants are determined in order to quantify chemical equilibria. When an equilibrium constant K is expressed as a concentration quotient, it is implied that the activity quotient is constant. (Chemistry) [50%] 2023-11-13 [Equilibrium chemistry] [Analytical chemistry]...
23. Table of physical constants: The values are given in the so-called concise form; the number in brackets is the standard uncertainty, which is the value multiplied by the relative standard uncertainty. This is the value adopted internationally for realizing representations of the volt ... [50%] 2023-12-26 [Physics] [Reference tables]...
24. List of mathematical constants: A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. For example ... (None) [50%] 2024-03-17 [Mathematical constants] [Mathematics-related lists]...
25. Time-variation of fundamental constants: The term physical constant expresses the notion of a physical quantity subject to experimental measurement which is independent of the time or location of the experiment. The constancy (immutability) of any "physical constant" is thus subject to experimental verification. (Physics) [44%] 2023-11-29 [Physical constants] [Fundamental constants]...
26. Trigonometric constants expressed in real radicals: Exact algebraic expressions for trigonometric values are sometimes useful, mainly for simplifying solutions into radical forms which allow further simplification. All trigonometric numbers – sines or cosines of rational multiples of 360° – are algebraic numbers (solutions of polynomial equations with integer ... [40%] 2022-12-26 [Trigonometry] [Algebraic numbers]...
27. Van der Waals constants (data page): The following table lists the Van der Waals constants (from the Van der Waals equation) for a number of common gases and volatile liquids. To convert from \displaystyle{ L^2bar/mol^2 }[/math] to \displaystyle{ L^2 kPa/mol^2 ... (Physics) [40%] 2024-09-08 [Gas laws]
28. Mathematical constants by continued fraction representation: This is a list of mathematical constants sorted by their representations as continued fractions. Continued fractions with more than 20 known terms have been truncated, with an ellipsis to show that they continue. [40%] 2024-07-31 [Mathematical constants] [Continued fractions]...
29. List of scientific constants named after people: This is a list of physical and mathematical constants named after people. Eponymous constants and their influence on scientific citations have been discussed in the literature. (none) [37%] 2023-11-16 [Mathematical constants] [Physical constants]...
30. Lebesgue constants of multi-dimensional partial Fourier sums: Let $f$ be an integrable function on $\mathbf{T} ^ { n }$, $\mathbf{T} = ( - \pi , \pi ]$, $n = 2,3 , \dots$, $2 \pi$-periodic in each variable. Consider its Fourier series $\sum _ { k } \hat { f } ( k ) e ^ { i k x }$, where $x ... (Mathematics) [35%] 2023-08-09