De (Д, д) is a letter of the Cyrillic alphabet. It represents a voiced dental plosive except word-finally and before voiceless consonants, when it represents a voiceless and before any palatalizing vowel, when it represents .

It arose from the Greek letter delta; the major graphic difference with its Greek equivalent lies in the two "feet" below the lower corners of Greek letter delta. Like El, it has two typographical variants: one where its top is square, and one where it is pointed (like delta).

The handwritten form of capital letter De appears like Latin D as the printed version shown here is not comfortable enough to be written quickly. The handwritten lowercase letter looks a bit like a Latin g and it is joined to a following letter by its tail. In cursive type, the lowercase form looks more like the lowercase Latin d: Д, д.

Encoding

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The following table lists the different methods for encoding the character electronically, in both its majuscule (capital) and minuscule (small) forms.

Character encoding	Case	Dec	Hex	Octal	Binary
Unicode	Capital	1044	0414	002024	00000100 00010100
	Small	1076	0434	002064	00000100 00110100
ISO 8859-5	Capital	180	B4	264	10110100
	Small	212	D4	324	11010100
KOI 8	Capital	228	E4	344	11100100
	Small	196	C4	304	11000100
Windows 1251	Capital	196	C4	304	11000100
	Small	228	E4	344	11100100

—The values represent Unicode code points. The binary values would be equivalent to UTF-16 big endian.

Д (lizherenn) | De (cyrillique) | De (Cirílico) | Д | Д (Cirillico) | Д | Д | Д | De (Cirílico) | Д (кириллица) | Д (ћириличко) | Д | Д