Iran System encoding was an 8-bit

character encoding Character encoding is the process of assigning numbers to Graphics, graphical character (computing), characters, especially the written characters of Language, human language, allowing them to be Data storage, stored, Data communication, transmi ...

scheme and was created by Iran System corporation for

Persian language Persian (), also known by its endonym Farsi (, ', ), is a Western Iranian language belonging to the Iranian branch of the Indo-Iranian subdivision of the Indo-European languages. Persian is a pluricentric language predominantly spoken a ...

support. This encoding was in use in

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

DOS DOS is shorthand for the MS-DOS and IBM PC DOS family of operating systems. DOS may also refer to: Computing * Data over signalling (DoS), multiplexing data onto a signalling channel * Denial-of-service attack (DoS), an attack on a communicat ...

-based programs and after the introduction of Microsoft code page 1256 this encoding became obsolete. However, some

Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for ser ...

and DOS programs using this encoding are still in use and some Windows fonts with this encoding exist. Now most programs use code page 1256 or

Unicode Unicode, formally The Unicode Standard,The formal version reference is is an information technology standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. The standard, wh ...

Character set

Only the upper half (128–255) of the table is shown, the lower half (0–127) is the same as code page 437. This character set encodes distinct visual forms separately. : * Position used for all forms of the letter. : † Initial or medial form. : ‡ Final or isolated form.

References

* Iran system charmap.png {{Improve categories, date=July 2021 DOS code pages