In any case, this article follows ISO 31-11 and the standard convention in mathematical logic, which make 0 a natural number .</ ref >

The use of ( r, θ, φ ) to denote, respectively, radial distance, inclination ( or elevation ), and azimuth, is common practice in physics, and is specified by ISO standard 31-11.

Both notations are described in International standard ISO 31-11.

In mathematical logic, when using set-builder notation for describing the characterizing property of a set, it is used as an alternative to a vertical bar ( which is the ISO 31-11 standard ), to mean “ such that ”.

* ISO 31-11

* ISO for Prolog: A Mathematical Definition of Full Prolog

Currently, the International Organization for Standardization has introduced a three-letter system of codes ( ISO 4217 ) to define currency ( as opposed to simple names or currency signs ), in order to remove the confusion that there are dozens of currencies called the dollar and many called the franc.

ISO / IEC 8859-8 covers all the Hebrew letters, but no Hebrew vowel signs.

System warning icons also belong to the broader area of ISO standard warning signs.

Since the standard is not published freely ( ANSI sells it for US $ 104, while ISO sells it for CHF 102, 00 ) and many examples seen in public diverge from the standard, many symbols and public signs using it have not actually been based on the official standard, but instead on inexact copies or interpretations of signs or symbols seen by each graphic artist.

The additions, originally requested by Google ( Kat Momoi, Mark Davis, and Markus Scherer wrote the first draft for consideration by the Unicode Technical Committee in August 2007 ) and Apple Inc. ( whose Yasuo Kida and Peter Edberg joined the first official UTC proposal for 607 characters as coauthors in January 2009 ), went through a long series of commenting by members of the Unicode Consortium and national standardization bodies of various countries participating in ISO / IEC JTC1 / SC2 / WG2, especially the United States, Germany, Ireland ( led by Michael Everson ), and Japan ; various new characters ( especially symbols for maps and European signs ) were added during the consensus-building process.

Today, ISO 4217 codes are used instead of currency signs for most official purposes, though currency signs may be in common use in many other contexts.

In many countries fire escape signs usually display the word " EXIT " in large, well-lit, green or red letters, but the pictorial " running green man " symbol developed in 1980 and introduced in 2003 by ISO 7010 is universal in the European Union, the standard in Canada from 2010, and increasingly common elsewhere.

It is an almost compatible superset of ISO 8859-8 — the symbols are in the same positions ( except for A4, which is ' sheqel sign ' in Windows-1255 but ' generic currency sign ' in ISO 8859-8 ), but Windows-1255 adds vowel-points and other signs in lower positions.

The ISO / IEC 8859 standard is designed for reliable information exchange, not typography ; the standard omits symbols needed for high-quality typography, such as optional ligatures, curly quotation marks, dashes, etc.

ISO 3864 specifies international standards for safety symbols.

In many countries the ISO codes for the more common currencies are so well known publicly that exchange rates published in newspapers or posted in banks use only these to delineate the different currencies, instead of translated currency names or ambiguous currency symbols.

It is similar to ISO 8859-1, and thus generally intended for “ Western European ” languages, but replaces some less common symbols with the euro sign and some letters that were now deemed missing in part 1 for the target use.

* ISO 3758: 2005-Textiles care labelling code using symbols

Also, there is a standardized keyboard symbol ( to be used when Latin lettering is not preferred ), given in ISO / IEC 9995-7 as symbol 26, and in ISO 7000 “ Graphical symbols for use on equipment ” as symbol ISO-7000-2028.

The keyboard symbol for the Shift key ( which is called Level 2 Select key in the international standard series ISO / IEC 9995 ) is given in ISO / IEC 9995-7 as symbol 1, and in ISO 7000 “ Graphical symbols for use on equipment ” as a directional variant of the symbol ISO-7000-251.

It is also this company's trade name for machine-readable ISO / IEC 16022 data matrix symbols, a type of barcode resembling a crossword puzzle, which encode Internet URLs.

The standardized keyboard symbol for the Alt key ( which may be used when the usual Latin lettering “ Alt ” is not preferred for labelling the key ) is given in ISO / IEC 9995-7 as symbol 25, and in ISO 7000 “ Graphical symbols for use on equipment ” as symbol ISO-7000-2105.

Available characters consisted of upper and lower case alphanumeric characters as well as punctuation and simple arithmetic symbols, using a variant of ISO 646 and CCITT standard.

Code page 850 differs from code page 437 in that many of the box drawing characters, Greek letters, and various symbols were replaced with additional Latin letters with diacritics, thus greatly improving support for Western European languages ( all characters from ISO 8859-1 are included ).

These nine ancient Greek textual annotation symbols are also included in the supplemental punctuation list of ISO IEC standard 10646 for character sets.

Features in the graphical user interface include Python scripting, an undo / redo function, XML-based model and configuration files, hydraulic symbols according to the ISO 1219-1 standard and global system parameters that can be shared between components ..

ISO 31-1 is the part of international standard ISO 31 that defines names and symbols for quantities and units related to space and time.

Australian English ( AusE, AuE, AusEng, en-AU < ref > is the language code for Australian English, as defined by ISO standards ( see ISO 639-1 and ISO 3166-1 alpha-2 ) and Internet standards ( see IETF language tag ).</ ref >) is a major variety of the English language and is used throughout Australia.

*. ai, the ISO Internet 2-letter country code ( ccTLD ) for Anguilla

An international standard for this process, ISO 16622 Meteorology — Sonic anemometers / thermometers — Acceptance test methods for mean wind measurements is in general circulation.

Although this document was subsequently adopted by International Organization for Standardization ( ISO ) and subsequent revisions published by ISO have been adopted by ANSI, the name ANSI C ( rather than ISO C ) is still more widely used.

The same standard was ratified by the International Organization for Standardization as ISO / IEC 9899: 1990, with only formatting changes, which is sometimes referred to as C90.

The symbol for bit, as a unit of information, is either simply " bit " ( recommended by the ISO / IEC standard 80000-13 ( 2008 )) or lowercase " b " ( recommended by the IEEE 1541 Standard ( 2002 )).

Today the harmonized ISO / IEC 80000-13: 2008 – Quantities and units — Part 13: Information science and technology standard cancels and replaces subclauses 3. 8 and 3. 9 of IEC 60027-2: 2005, namely those related to Information theory and Prefixes for binary multiples.

Bank for International Settlements, Council of Europe, Central European Initiative, EBRD, United Nations Economic Commission for Europe, FAO, Group of 77, IAEA, IBRD, ICAO, International Criminal Court, International Development Association, IFAD, International Finance Corporation, IFRCS, ILO, International Monetary Fund, International Maritime Organization, Interpol, IOC, International Organization for Migration ( observer ), ISO, ITU, Non-Aligned Movement ( guest ), Organization of American States ( observer ), OIC ( observer ), OPCW, Organization for Security and Co-operation in Europe, Southeast European Cooperative Initiative, United Nations, UNCTAD, UNESCO, UNIDO, UNMEE, UPU, WHO, WIPO, WMO, WToO, WTrO ( observer )

* ISO — Isolated power: a hitter's ability to hit for extra bases, calculated by subtracting batting average from slugging percentage

The International Organization for Standardization, ISO, has a special technical committee for cycles, TC149, that has the following scope: " Standardization in the field of cycles, their components and accessories with particular reference to terminology, testing methods and requirements for performance and safety, and interchangeability.

British English ( or BrEn, BrE, BE, en-UK or en-GB )< ref > is the language code for British English, as defined by ISO standards ( see ISO 639-1 and ISO 3166-1 alpha-2 ) and Internet standards ( see IETF language tag ).</ ref > is the broad term used to distinguish the forms of the English language used in the United Kingdom from forms used elsewhere.

The Standards council of Canada then sponsored, on January 21, 1993, the registration of an encoded character set for use in ISO / IEC 2022, in the ISO-IR international registry of coded character sets.

A proposal was posted by Michael Everson for the Blissymbolics script to be included in the Universal Character Set ( UCS ) and encoded for use with the ISO / IEC 10646 and Unicode standards.