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ISO 646 is an ISO standard that specifies a 7 bit character code from which several national standards are derived, the best known of which is ASCII. Since the portion of ISO 646 shared by all countries specified only the letters used in the English alphabet, other countries using the Latin alphabet with extensions needed to create national variants of ISO 646 to be able to use their native languages. Since universal acceptance of the 8 bit byte did not exist at that time, the national characters had to be made fit within the constraints of 7 bits, meaning that some characters that appear in ASCII do not appear in other national variants of ISO 646. Iso (iso-) is a prefix indicating similarity or equality. ...
A bit (abbreviated b) is the most basic information unit used in computing and information theory. ...
There are 95 printable ASCII characters, numbered 32 to 126. ...
This article refers to the unit of binary information. ...
Some national variants of ISO 646 are:
The specifics of the changes for some of these variants are given in this table: Deutsches Institut für Normung (DIN, the German Institute for Standardization) is a German national organization for standardization. ...
This article is about Japanese Industrial Standards in general; see JIS encoding for the character encoding used in representing the Japanese language for computer software and communication. ...
The American National Standards Institute (ANSI) is a private, non-profit standards organization that produces industrial standards in the United States. ...
| Binary | Decimal | Hex | ASCII | DE | DK/NO | GB | HU | JP | MT | SE | YU | | 0010 0011 | 35 | 23 | # | # | # | £ | # | # | # | # | # | | 0010 0100 | 36 | 24 | $ | $ | $ | $ | ¤ | $ | $ | ¤ | $ | | 0100 0000 | 64 | 40 | @ | § | @ | @ | Á | @ | @ | @ | Ž | | 0101 1011 | 91 | 5B | [ | Ä | Æ | [ | É | [ | ġ | Ä | Š | | 0101 1100 | 92 | 5C | | Ö | Ø | | Ö | ¥ | ż | Ö | Đ | | 0101 1101 | 93 | 5D | ] | Ü | Å | ] | Ü | ] | ħ | Å | Ć | | 0101 1110 | 94 | 5E | ^ | ^ | ^ | ^ | ^ | ^ | ^ | ^ | Č | | 0110 0000 | 96 | 60 | ` | ` | ` | ` | á | ` | ċ | ` | ž | | 0111 1011 | 123 | 7B | { | ä | æ | { | é | { | Ġ | ä | š | | 0111 1100 | 124 | 7C | | | ö | ø | | | ö | | | Ż | ö | đ | | 0111 1101 | 125 | 7D | } | ü | å | } | ü | } | Ħ | å | ć | | 0111 1110 | 126 | 7E | ~ | ß | ~ | ~ | ˝ | ‾ | Ċ | ~ | č | Later, when 8 bit characters sets gained more acceptance, ISO 8859-1, ISO 8859-2, and ISO 8859-3 became the preferred method of coding most of these variants. ISO 8859-1, more formally cited as ISO/IEC 8859-1 or less formally as Latin-1, is part 1 of ISO/IEC 8859, a standard character encoding defined by ISO. It encodes what it refers to as Latin alphabet no. ...
ISO 8859-2, more formally cited as ISO/IEC 8859-2 or less formally as Latin-2, is part 2 of ISO/IEC 8859, a standard character encoding defined by ISO. It encodes what it refers to as Latin alphabet no. ...
ISO 8859-3, also known as Latin-3 or South European is an 8-bit character encoding, part of the ISO 8859 standard. ...
Variants of ASCII that are not ISO 646 There are also some 7-bit character sets that are not officially part of the ISO 646 standard. Examples include: - 7-bit Greek, ELOT 927. The Greek alphabet is mapped to positions 0x61-0x71 and 0x73-0x79, on top of the Latin lowercase letters. This mapping with the high bit set is ISO 8859-7.
- 7-bit Cyrillic, KOI-7 or Short KOI. The Cyrillic characters are mapped to positions 0x60-0x7E, on top of the Latin lowercase letters. Superseded by the KOI-8 variants.
- 7-bit Hebrew, SI 960. The Hebrew alphabet is mapped to positions 0x60-0x7A, on top of the lowercase Latin letters (and grave accent for aleph). This mapping with the high bit set, i.e. with the Hebrew letters in 0xE0-0xFA, is ISO 8859-8.
- 7-bit Arabic, ASMO 449. The Arabic alphabet is mapped to positions 0x41-0x5A and 0x60-0x6A, on top of both uppercase and lowercase Latin letters. This mapping with the high bit set is ISO 8859-6.
Technical note: Due to technical limitations, some web browsers may not display some special characters in this article. ...
ISO 8859-7, also known as Greek, is an 8-bit character encoding, part of the ISO 8859 standard. ...
KOI8-R is an 8-bit character encoding, designed to cover Russian, which uses the Cyrillic alphabet. ...
Note: This article contains special characters. ...
ISO 8859-8, more formally cited as ISO/IEC 8859-8 (but not as Latin-8!), is part 8 of ISO/IEC 8859, a standard character encoding defined by ISO. ISO 8859-8 contains all the Hebrew letters (consonants only, no Hebrew vowel signs). ...
The Arabic alphabet is the script used for writing the Arabic language. ...
ISO 8859-6, also known as Arabic, is an 8-bit character encoding, part of the ISO 8859 standard. ...
External links - Zeichensatz nach ISO 646 (ASCII) (http://www.soziologie.uni-halle.de/unger/scripts/workshop_internet/ref_char_646.html) (in German)
- History (http://aspell.net/charsets/iso646.html) at GNU Aspell website
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