Code page 857 is a code page

Code page

Code page is another term for character encoding. It consists of a table of values that describes the character set for a particular language. The term code page originated from IBM's EBCDIC-based mainframe systems, but many vendors use this term including Microsoft, SAP, and Oracle Corporation...

 used under MS-DOS

MS-DOS

MS-DOS is an operating system for x86-based personal computers. It was the most commonly used member of the DOS family of operating systems, and was the main operating system for IBM PC compatible personal computers during the 1980s to the mid 1990s, until it was gradually superseded by operating...

 to write Turkish

Turkish language

Turkish is a language spoken as a native language by over 83 million people worldwide, making it the most commonly spoken of the Turkic languages. Its speakers are located predominantly in Turkey and Northern Cyprus with smaller groups in Iraq, Greece, Bulgaria, the Republic of Macedonia, Kosovo,...

.

Code page 857 is based on code page 850

Code page 850

Code page 850 is a code page used under MS-DOS in Western Europe. It is the code page commonly used by the version of MS-DOS underlying Windows ME...

, but with many changes. It includes all characters from ISO 8859-9.

Code page layout

The following table shows code page 857. Each character is shown with its equivalent Unicode

Unicode

Unicode is a computing industry standard for the consistent encoding, representation and handling of text expressed in most of the world's writing systems...

 code point and its decimal code point. Only the second half of the table (code points 128–255) is shown, the first half (code points 0–127) being the same as ASCII

ASCII

The American Standard Code for Information Interchange is a character-encoding scheme based on the ordering of the English alphabet. ASCII codes represent text in computers, communications equipment, and other devices that use text...

.

Code points 1–31 and 127 (00–1F_hex and 7F_hex) have a different interpretation in some circumstances – see code page 437.

Code point 213 (D5_hex) was undefined until 1998 when the euro sign was assigned to it.
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