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  2. Unit (ring theory) - Wikipedia

    en.wikipedia.org/wiki/Unit_(ring_theory)

    In algebra, a unit or invertible element [a] of a ring is an invertible element for the multiplication of the ring. That is, an element u of a ring R is a unit if there exists v in R such that = =, where 1 is the multiplicative identity; the element v is unique for this property and is called the multiplicative inverse of u.

  3. Constructor (object-oriented programming) - Wikipedia

    en.wikipedia.org/wiki/Constructor_(object...

    Any call to a class (static or constructor call), triggers the static constructor execution. Static constructors are thread safe and implement a singleton pattern. When used in a generic programming class, static constructors are called at every new generic instantiation one per type. [8]: 38 [4]: 111 Static variables are instantiated as well.

  4. Relative change - Wikipedia

    en.wikipedia.org/wiki/Relative_change

    A percentage change is a way to express a change in a variable. It represents the relative change between the old value and the new one. [6]For example, if a house is worth $100,000 today and the year after its value goes up to $110,000, the percentage change of its value can be expressed as = = %.

  5. Eigenvalues and eigenvectors - Wikipedia

    en.wikipedia.org/wiki/Eigenvalues_and_eigenvectors

    [10] In the early 19th century, Augustin-Louis Cauchy saw how their work could be used to classify the quadric surfaces, and generalized it to arbitrary dimensions. [11] Cauchy also coined the term racine caractéristique (characteristic root), for what is now called eigenvalue; his term survives in characteristic equation. [b]

  6. Arithmetic function - Wikipedia

    en.wikipedia.org/wiki/Arithmetic_function

    In number theory, an arithmetic, arithmetical, or number-theoretic function [1] [2] is generally any function f(n) whose domain is the positive integers and whose range is a subset of the complex numbers.

  7. Isaiah 11 - Wikipedia

    en.wikipedia.org/wiki/Isaiah_11

    Isaiah 11 is the eleventh chapter of the Book of Isaiah in the Hebrew Bible or the Old Testament of the Christian Bible. This book contains prophesies attributed to the prophet Isaiah . This chapter can be divided into two main parts, verses 1–9 and verses 11–16, with verse 10 as a connecting statement between them. [ 1 ]

  8. Poe Elementary School (Houston) - Wikipedia

    en.wikipedia.org/wiki/Poe_Elementary_School...

    The preschool opened on February 4, 1974, [11] with two classes of students. The enrollments of these two classes were filled shortly after PoeCo opened. Poe Elementary received an increase in enrollment after PoeCo opened. [30] The preschool was originally held in temporary locations, [11] with some located in the Poe property and some outside ...

  9. Internet Explorer 11 - Wikipedia

    en.wikipedia.org/wiki/Internet_Explorer_11

    Internet Explorer 11 (IE11) is the eleventh and final version of the Internet Explorer web browser. It was initially included in the release of Windows 8.1 , Windows RT 8.1 and Windows Server 2012 R2 on October 17, 2013, and was later released for Windows 7 and Windows Server 2008 R2 on November 7, 2013.