The Ottoman Turkish alphabet ( elifbâ ) was the version of the Perso-Arabic alphabet that was used for the Ottoman Turkish language

Ottoman Turkish language

The Ottoman Turkish language or Ottoman language is the variety of the Turkish language that was used for administrative and literary purposes in the Ottoman Empire. It borrows extensively from Arabic and Persian, and was written in a variant of the Perso-Arabic script...

 during the time of the Ottoman Empire

Ottoman Empire

The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

 and in the early years of the Republic of Turkey, until the adoption of the new Turkish alphabet

Turkish alphabet

The Turkish alphabet is a Latin alphabet used for writing the Turkish language, consisting of 29 letters, seven of which have been modified from their Latin originals for the phonetic requirements of the language. This alphabet represents modern Turkish pronunciation with a high degree of accuracy...

, derived from the Latin script, on November 1, 1928.

As with Arabic and Persian, texts in the Ottoman Turkish alphabet are written right-to-left. The appearance of a letter changes depending on its position in a word: isolated (in a one-letter word); final (in which case it is joined on the right to the preceding letter); medial (joined on both sides); and initial (joined on the left to the following letter). Some letters cannot be joined to the left and do therefore not possess separate medial and initial forms; in medial position the final form is used, and in initial position the isolated form is used.

Isolated	Final	Medial	Initial	Name	Modern Turkish alphabet Turkish alphabet The Turkish alphabet is a Latin alphabet used for writing the Turkish language, consisting of 29 letters, seven of which have been modified from their Latin originals for the phonetic requirements of the language. This alphabet represents modern Turkish pronunciation with a high degree of accuracy...	IPA
		—		elif	a, e	a, e
	—			hemze
				be	b	b
				pe	p	p
				te	t	t
				se	s	s
				cim	c	d͡ʒ
				çim	ç	t͡ʃ
				ha	h	h
				hı	h	x
		—		dal	d	d
		—		zel	z	z
		—		re	r	ɾ
		—		ze	z	z
		—		je	j	ʒ
				sin	s	s
				şın	ş	ʃ
				sad	s	s
				dad	d, z	d
				tı	t	t
				zı	z	z
				ayn	', h (or omitted)	ʔ
				gayn	g, ğ	ɣ
				fe	f	f
				kaf	k	k
				kef	k, g, ğ, n	k
				gef1	g, ğ	ɡ
				nef, sağır kef	n	ɲ
				lam	l	l
				mim	m	m
				nun	n	n
		—		vav	v, o, ö, u, ü	v, o, œ, u, y
				he	h, e, a	h, æ
				ye	y, ı, i	j, ɯ, i

¹A correct Ottoman variant of gef will have the "mini-kaf" of ﻙ and the doubled upper stroke of گ. This feature is surely rare in current fonts.

Numerals

Ottoman Turkish used the Eastern Arabic numerals

Eastern Arabic numerals

The Eastern Arabic numerals are the symbols used to represent the Hindu-Arabic numeral system in conjunction with the Arabic alphabet in the countries of the Arab world....

. The following is the list of basic cardinal numerals with their spelling in the modern Turkish alphabet.

Arabic Form	Number	Ottoman	Modern Turkish Spelling
٠	0		sıfır
۱	1		bir
۲	2		iki
٣	3		üç
٤	4		dört
٥	5		beş
٦	6		altı
٧	7		yedi
٨	8		sekiz
٩	9		dokuz
۱٠	10		on