Case or CASE may refer to:

Instances

Instantiation (disambiguation) Instantiation or instance may refer to: Philosophy * A modern concept similar to ''participation'' in classical Platonism; see the Theory of Forms * The instantiation principle, the idea that in order for a property to exist, it must be had by ...

, a realization of a concept, theme, or design *

Special case In logic, especially as applied in mathematics, concept is a special case or specialization of concept precisely if every instance of is also an instance of but not vice versa, or equivalently, if is a generalization of .Brown, James Robert.� ...

, an instance that differs in a certain way from others of the type

Containers

Case (goods) A case of some merchandise is a collection of items packaged together. A case is not a strict unit of measure. For consumer foodstuff such as canned goods, soda, cereal, and such, a case is typically 24 items, however cases may consist of any ...

, a package of related merchandise *

Cartridge case A cartridge, also known as a round, is a type of pre-assembled firearm ammunition packaging a projectile (bullet, shot, or slug), a propellant substance ( smokeless powder, black powder substitute, or black powder) and an ignition device ( pr ...

or casing, a firearm cartridge component * Bookcase, a piece of furniture used to store books *

Briefcase A briefcase or an attaché case (/əˈtæʃeɪ/) is a narrow hard-sided box-shaped bag or case used mainly for carrying papers and equipped with a handle. Lawyers commonly use briefcases to carry briefs to present to a court, hence the name. Bu ...

or attaché case, a narrow box to carry paperwork *

Computer case A computer case, also known as a computer chassis, is the enclosure that contains most of the hardware of a personal computer. The components housed inside the case (such as the CPU, motherboard, memory, mass storage devices, power supply unit ...

, the enclosure for a PC's main components * Keep case, DVD or CD packaging * Pencil case * Phone case, protective or vanity accessory for mobile phones ** Battery case *

Road case A road case, ATA case or flight case is a shipping container specifically built to protect musical instruments, motion picture equipment, audio and lighting production equipment, theatrical property, props, firearms, or other sensitive equipment ...

or flight case, for fragile equipment in transit *

Shipping container A shipping container is a container with strength suitable to withstand shipment, storage, and handling. Shipping containers range from large reusable steel boxes used for intermodal shipments to the ubiquitous corrugated box design, corrugated b ...

or packing case *

Suitcase A suitcase is a form of baggage. It is a rectangular container with a handle and is typically used to carry one's clothes and other belongings while traveling. The first suitcases appeared in the late 19th century due to the increased popular ...

, a large luggage box *

Type case A type case is a compartmentalized wooden box used to store movable type used in letterpress printing.Williams, Fred (1992). "Origin of the California Job Case". ''Type & Press'', fall 1992. http://www.apa-letterpress.com/T%20&%20P%20ARTICLES/T ...

, a compartmentalized wooden box for letterpress typesetting

Places

* Case, Laclede County, Missouri *

Case, Warren County, Missouri Case is an Unincorporated area#United States, unincorporated community in Warren County, Missouri, Warren County, in the U.S. state of Missouri. History Case had its start in the 1890s when the railroad was extended to that point. A post office ...

Case River The Case River is a tributary of the Kabika River, flowing in Cochrane District in Northeastern Ontario, in Canada. The course of this river runs through the townships of Steele, Case and Kenning. Forestry is the main economic activity of the ...

, a Kabika tributary in Ontario, Canada * Case Township, Michigan * Case del Conte, Italy

People

* Case (name), people with the surname (or given name) *

Case (singer) Case Woodard is an American singer, songwriter, record producer and actor. He is best known for the 1990s hits " Touch Me, Tease Me", " Happily Ever After" and " The Best Man I Can Be" with Ginuwine, R.L. and Tyrese, as well as the early 2000s h ...

, American R&B singer-songwriter and producer (Case Woodard)

Arts, entertainment, and media

* ''The Case'' (1972), a TV movie starring Cliff Richards and

Olivia Newton-John Dame Olivia Newton-John (26 September 1948 – 8 August 2022) was a British and Australian singer and actress. With over 100 million records sold, Newton-John was one of the List of best-selling music artists#100 million to 119 million record ...

* ''

The Case ''The Case'' is a 2007 Chinese film directed by the female first-time director, Wang Fen. It is the first film of the Yunnan New Film Project, a planned anthology of ten films directed by female Chinese directors, all taking place in the southe ...

'' (2007), a Chinese film * ''Case'' (album), a 1996 album by American R&B singer and songwriter Case * "Case" (song), a 2018 song by Nigerian singer Teni * ''

Réttur ''Réttur'' (, ''Right'') is an Icelandic television series created and produced by Sigurjón Kjartansson of RVK Studios, retitled ''Case'' and ''The Court'' in English-language markets. It was picked up by NBC and producer Howard Gordon for a U ...

'' (), an Icelandic drama series * CASE, a fictional robot in ''Interstellar'' (film)

Business, finance, and law

CASE 30 The CASE 30 is an index of the Cairo & Alexandria Stock Exchange in Egypt. It includes the 30 most active stocks in the Egyptian stock market A stock market, equity market, or share market is the aggregation of buyers and sellers of st ...

, an index of the Cairo & Alexandria Stock Exchange in Egypt *

Case Corporation Case Corporation was a manufacturer of agricultural machinery and heavy equipment (construction), construction equipment. Founded, in 1842, by Jerome Case, Jerome Increase Case as the J. I. Case Threshing Machine Company, it operated unde ...

, defunct manufacturer of agricultural equipment, tractors and cars **

Case Construction Equipment Case Construction Equipment (stylized as CASE Construction Equipment, commonly referred to as simply Case) is an Italian-American manufacturer of construction machinery. Along with CASE IH, Case Construction Equipment is a brand of CNH. Case pro ...

(Case CE), a manufacturer of construction equipment **

Case IH Case IH is an American agricultural machinery manufacturer. It was created in 1985 when Tenneco bought selected assets of the agricultural division from International Harvester and merged it into its J.I. Case Company (IH then became Navistar) ...

, a manufacturer of agricultural equipment * W. A. Case & Son Manufacturing Co., a defunct American manufacturer of plumbing fixtures * W. R. Case & Sons Cutlery Co., an American manufacturer of knives *

Business case A business case captures the reasoning for initiating a project or task. Many projects, but not all, are initiated by using a business case. It is often presented in a well-structured written document, but may also come in the form of a short ver ...

, capturing the reasoning for initiating a project *

Legal case Legal proceeding is an activity that seeks to invoke the power of a tribunal in order to enforce a law. Although the term may be defined more broadly or more narrowly as circumstances require, it has been noted that " e term ''legal proceedings'' ...

, a dispute between opposing parties, being resolved by a court proceeding

Education

* Case (policy debate), in debate competition *

Case study A case study is an in-depth, detailed examination of a particular case (or cases) within a real-world context. For example, case studies in medicine may focus on an individual patient or ailment; case studies in business might cover a particular f ...

, a research method involving an up-close, in-depth, and detailed examination of a particular case, in the social and life sciences * Case Middle School, part of

Punahou School Punahou School (known as Oahu College until 1934) is a private, co-educational, college preparatory school in Honolulu, Hawaii. More than 3,700 students attend the school from kindergarten through 12th grade. The school was established by P ...

in Oahu, Hawaii *

Case Western Reserve University Case Western Reserve University (CWRU) is a Private university, private research university in Cleveland, Ohio, United States. It was established in 1967 by a merger between Western Reserve University and the Case Institute of Technology. Case ...

, an independent research university in Cleveland, Ohio, US * Center for Advanced Studies in Engineering, now

Sir Syed CASE Institute of Technology The Sir Syed CASE Institute of Technology(SS-CASE-IT) is a private university located in Islamabad, Pakistan. SS-CASE-IT offers undergraduate, postgraduate, and doctoral degrees. Degrees awarded by SS-CASE-IT are recognized by the Higher Educatio ...

, a private engineering institute in Islamabad, Pakistan * Center for Architecture, Science and Ecology, a research facility of the Rensselaer Polytechnic Institute, US * Centre for Christian Apologetics, Scholarship and Education, a ministry of New College, University of New South Wales *

Council for Advancement and Support of Education The Council for Advancement and Support of Education (CASE) is a nonprofit association of educational institutions. It serves professionals in the field of educational advancement. This field encompasses alumni relations, communications, marketin ...

, a nonprofit association of educational institutions, US

Language and linguistics

* Conceptually Accurate Signed English, a sign-language variety of Manually Coded English *

Grammatical case A grammatical case is a category of nouns and noun modifiers (determiners, adjectives, participles, and Numeral (linguistics), numerals) that corresponds to one or more potential grammatical functions for a Nominal group (functional grammar), n ...

, a common form of morphosyntactic inflection *

Letter case Letter case is the distinction between the letters that are in larger uppercase or capitals (more formally ''majuscule'') and smaller lowercase (more formally '' minuscule'') in the written representation of certain languages. The writing system ...

, a typographical distinction between capital and small letter forms

Science, technology, and mathematics

Computing

* CASE, a database used by the British Citizens Advice charity *

Best, worst and average case In computer science, best, worst, and average cases of a given algorithm express what the resource usage is ''at least'', ''at most'' and ''on average'', respectively. Usually the resource being considered is running time, i.e. time complexity, b ...

, in computer science, types of case analysis *

Computer-aided software engineering Computer-aided software engineering (CASE) is a domain of software tools used to design and implement applications. CASE tools are similar to and are partly inspired by computer-aided design (CAD) tools used for designing hardware products. CASE ...

, for the software development life cycle *

Computer-assisted structure elucidation Computer-assisted structure elucidation (or CASE) is the technique of using software to generate all possible molecular structures that are consistent with a particular set of spectroscopic data. The subject has been often reviewed. Available CASE ...

, for molecular geometry * Support case (or ticket), in an

issue tracking system An issue tracking system (also ITS, trouble ticket system, support ticket, request management or incident ticket system) is a computer software package that manages and maintains lists of issues. Issue tracking systems are generally used in collab ...

Switch statement In computer programming languages, a switch statement is a type of selection control mechanism used to allow the value of a variable or expression to change the control flow of program execution via search and map. Switch statements function ...

, a control statement, in programming *

Use case In both software and systems engineering, a use case is a structured description of a system’s behavior as it responds to requests from external actors, aiming to achieve a specific goal. It is used to define and validate functional requireme ...

, a description of a system's behaviour in response to requests

Other science, technology and mathematics

* Calcium selenide (chemical formula: CaSe) *

Case-hardening Case-hardening or carburization is the process of introducing carbon to the surface of a low-carbon iron, or more commonly a low-carbon steel object, in order to Hardened steel, harden the surface. Iron which has a carbon content greater than ~ ...

, a process of hardening the surface of a metal object * Case-shot, a type of anti-personnel canister ammunition similar to a shrapnel shell *

, a research method involving in-depth examination of an individual * Proof by cases (or exhaustion), in mathematics * Contribution to ARIEL Spectroscopy of Exoplanets (CASE), an instrument onboard European space telescope ARIEL *

Limiting case (mathematics) In mathematics, a limiting case of a mathematical object is a special case that arises when one or more components of the object take on their most extreme possible values. For example: * In statistics, the limiting case of the binomial distrib ...

, a special case with one or more extreme parameter values *

Limiting case (philosophy of science) In the philosophy of science, under the correspondence principle, a limiting case theory is an earlier theory which becomes incorporated into a later, usually broader theory; that is to say, the earlier (limiting case) theory proves to be a special ...

, a theory subsumed by another