From Wikipedia, the free encyclopedia.
Я is actually a hybrid of two historic letters. One is A iotified (IA), a ligature of І and А, similar to letters Ю or Ѥ. The other is Little Yus (or Yus small, Ѧ). Over time, phonetic distinction between IA and Ѧ was lost, so when Peter I introduced his "civil script" in 1708, the single letter Ya (Я) was substituted for both. Modern Я looks just like reversed Latin letter R, see: ЯR.
Though the two letters (Я and R) are completely different in both origin and pronunciation, in the West it is popularly thought (for example see [1]) that they have something in common, that Я is some sort of "Russian R", and for this reason Я is sometimes used instead of R in titles of books, movies and computer games that are happening in Russia, for example: TETЯIS (another letter with similar fate is Cyrillic I (И), used instead of N). Cyrillic R looks like Latin P.
As mentioned above, Я is a modern invention; it is not part of the old Cyrillic alphabet and does not exist in the Glagolitic, Greek or Latin alphabets. It has no numerical value and no name other than "Ya".
In Unicode, Я shares the same codepoints with IA (A iotified). The actual glyph depends on the font.
Code positions
| Character encoding | Case | Binary | Hexadecimal | Octal | Decimal |
| Unicode | Capital | 0000010000101111 | 042F | 2057 | 1071 |
| Small | 0000010001001111 | 044F | 2117 | 1103 | |
| KOI | Capital | 11110001 | F1 | 361 | 241 |
| Small | 11010001 | D1 | 321 | 209 | |
| Windows 1251 | Capital | 11011111 | DF | 337 | 223 |
| Small | 11111111 | FF | 377 | 255 | |
| ISO 8859-5 | Capital | 11001111 | CF | 317 | 207 |
| Small | 11101111 | EF | 357 | 239 |
Its HTML entity is Я or Я for capital and я or я for small letter.
| А A |
Б Be |
В Ve |
Г Ge |
Ѓ Gje |
Ґ Ghe |
Д De |
Ђ Dje |
Е E |
Є E ukrainian |
Ѐ E with grave |
Ё Io |
Ж Zhe |
| Ѕ Dze |
З Ze |
И I |
Й I short |
Ѝ I with grave |
І I ukrainian |
Ї Yi |
Ј Je |
К Ka |
Ќ Kje |
Ћ Tshe |
Л El |
Љ Lje |
| М Em |
Н En |
Њ Nje |
О O |
П Pe |
Р Er |
С Es |
Т Te |
Ѹ Ou |
У U |
Ў U short |
Ф Ef |
Х Ha |
| Ѡ Omega cyrillic |
Ц Tse |
Ч Che |
Џ Dzhe |
Ш Sha |
Щ Shcha |
Ъ Hard sign |
Ы Yeri |
Ь Soft sign |
Ѣ Yat |
Э E reversed |
Ю Yu |
Я Ya |
| (not in Unicode) A iotified |
Ѥ E iotified |
Ѧ Yus small |
Ѫ Yus big |
Ѩ Yus small iotified |
Ѭ Yus big iotified |
Ѯ Ksi (cyrillic)|Ksi cyrillic |
Ѱ Psi (cyrillic)|Psi cyrillic |
Ѳ Fita |
Ѵ Izhitsa |
Ѷ Izhitsa with double grave |
(Russian letters bolded; old letters slanted)

