Exact may refer to: *

Exaction An exaction is a concept in US real property law where a condition for development is imposed on a parcel of land that requires the developer to mitigate anticipated negative impacts of the development. The rationale for imposing the exaction is to ...

, a concept in real property law * '' Ex'Act'', 2016 studio album by Exo * Schooner Exact, the ship which carried the founders of Seattle

Companies

* Exact (company), a Dutch software company *

Exact Change Exact Change is an American independent book publishing company founded in 1989 by Damon Krukowski and Naomi Yang (musician), Naomi Yang who, outside of their publishing careers, are musicians associated with Galaxie 500 and Damon and Naomi. The ...

, an American independent book publishing company *

Exact Editions Exact Editions is an integrated content management platform for magazine and book publishers. It was launched in 2005 by Adam Hodgkin, Daryl Rayner and Tim Bruce. The platform expanded from a web-based subscription service into developing brand ...

, a content management platform

Mathematics

Exact differential In multivariate calculus, a differential (infinitesimal), differential or differential form is said to be exact or perfect (''exact differential''), as contrasted with an inexact differential, if it is equal to the general differential dQ for som ...

s, in multivariate calculus *

Exact algorithm In computer science and operations research, exact algorithms are algorithms that always solve an optimization problem to optimality. Unless P = NP, an exact algorithm for an NP-hardness , NP-hard optimization problem cannot run in worst-case poly ...

s, in computer science and operations research * Exact colorings, in graph theory *

Exact couple In mathematics, an exact couple, due to , is a general source of spectral sequences. It is common especially in algebraic topology; for example, Serre spectral sequence can be constructed by first constructing an exact couple. For the definition o ...

s, a general source of spectral sequences *

Exact sequence In mathematics, an exact sequence is a sequence of morphisms between objects (for example, groups, rings, modules, and, more generally, objects of an abelian category) such that the image of one morphism equals the kernel of the next. Definit ...

s, in homological algebra *

Exact functor In mathematics, particularly homological algebra, an exact functor is a functor that preserves short exact sequences. Exact functors are convenient for algebraic calculations because they can be directly applied to presentations of objects. Much o ...

, a function which preserves exact sequences

Companies

Mathematics

See also