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Universalium. 2010.
law of exponents — one of a set of rules in algebra: exponents of numbers are added when the numbers are multiplied, subtracted when the numbers are divided, and multiplied when raised by still another exponent: am×an=am+n; am÷an=am n; (am)n=amn … Useful english dictionary
law — [lô] n. [ME lawe < OE lagu < Anglo Norm * lagu, akin to ON lǫg, pl. of lag, something laid down or settled < IE base * legh , to lie down > LIE1] 1. a) all the rules of conduct established and enforced by the authority, legislation,… … English World dictionary
Law of mass action — For other uses, see Mass action (disambiguation). In Chemistry, the law of mass action is a mathematical model that explains and predicts behaviors of solutions in dynamic equilibrium. It can be described with two aspects: 1) the equilibrium… … Wikipedia
Power law — A power law is any polynomial relationship that exhibits the property of scale invariance. The most common power laws relate two variables and have the form:f(x) = ax^k! +o(x^k),where a and k are constants, and o(x^k) is of x. Here, k is… … Wikipedia
Archie's law — In petrophysics, Archie s law relates the in situ electrical conductivity of sedimentary rock to its porosity and brine saturation: :C t = C w phi^m S w^n Here, phi denotes the porosity, C t the electrical conductivity of the fluid saturated rock … Wikipedia
Stevens' power law — is a proposed relationship between the magnitude of a physical stimulus and its perceived intensity or strength. It is often considered to supersede the Weber Fechner law on the basis that it describes a wider range of sensations, although… … Wikipedia
mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… … Universalium
Immanuel Aboab — (born in Oporto, Portugal, about 1555; died at Venice in 1628) was a Portuguese Jewish scholar. He was a great grandson of Isaac Aboab (died 1493).LifeHe early became an orphan and was reared by his grandfather Abraham Aboab. He emigrated to… … Wikipedia
The Sand Reckoner — (Greek: Ψαμμίτης, Psammites ) is a work by Archimedes in which he set out to determine an upper bound for the number of grains of sand that fit into the universe. In order to do this, he had to estimate the size of the universe according to the… … Wikipedia
logarithm — /law geuh ridh euhm, rith , log euh /, n. Math. the exponent of the power to which a base number must be raised to equal a given number; log: 2 is the logarithm of 100 to the base 10 (2 = log10 100). [1605 15; < NL logarithmus < Gk lóg(os) LOG +… … Universalium
