calligraphic style's proportion rules Below are the 32 letters of the modern Persian alphabet. Since the script is cursive, the appearance of a letter changes depending on its position: isolated, initial (joined on the left), medial (joined on both sides) and final (joined on the right) of a word. These include 28 letters of the
Arabic alphabet, in addition to 4 other letters. The names of the letters are mostly the ones used in Arabic except for the Persian pronunciation. The only ambiguous name is , which is used for both and . For clarification, they are often called (literally "-like " after , the name for the letter that uses the same base form) and (literally "two-eyed ", after the contextual middle letterform ), respectively. There are nine Persian letters that are mainly used in Arabic or foreign loanwords and not in native words: , , , , , , , and . These nine letters are also commonly used only in proper names. Unlike Arabic, the Persian language does not have
pharyngealization at all. Although the letter is mainly used in Arabic loanwords, there are some native Persian words with this letter: , , etc. The pronunciation of these letters in Persian can differ from their pronunciation in Arabic. For example, the letter ث is pronounced as in Persian, while it is pronounced as in Arabic. •
Overview table Historically, in
Early New Persian, there was a special letter for the sound . This letter is no longer used, as the -sound changed to , e.g. archaic /zaβān/ > 'language'. Another obsolete variant of the twenty-sixth letter is which used to appear in old manuscripts. In Unicode 1.0 this symbol was known as . It is a stylization of () used as the
emblem of Iran. It is also a part of the
flag of Iran. The Unicode Standard has a compatibility character defined that can represent , the Persian name of the
currency of Iran.
Novel letters The Persian alphabet has four extra letters that are not in the Arabic alphabet: , (
ch in
chair), (
s in
measure), . An additional fifth letter was used for (
v in Spanish ) but it is no longer used.
Deviations from the Arabic script Persian uses the
Eastern Arabic numerals, but the shapes of the digits 'four' (), 'five' (), and 'six' () are different from the shapes used in Arabic. All the digits also have different codepoints in
Unicode:
Comparison of different numerals == Word boundaries ==