text: Related characters Descendants and related characters in the Latin alphabet Æ æ : Latin AE ligature A with diacritics: Å å Ǻ ǻ Ḁ ḁ ẚ Ă ă Ặ ặ Ắ ắ Ằ ằ Ẳ ẳ Ẵ ẵ Ȃ ȃ Â â Ậ ậ Ấ ấ Ầ ầ Ẫ ẫ Ẩ ẩ Ả ả Ǎ ǎ Ⱥ ⱥ Ȧ ȧ Ǡ ǡ Ạ ạ Ä ä Ǟ ǟ À à Ȁ ȁ Á á Ā ā Ā̀ ā̀ Ã ã Ą ą Ą́ ą́ Ą̃ ą̃ A̲ a̲ ᶏ Phonetic alphabet symbols related to A (the International Phonetic Alphabet only uses lowercase, but uppercase forms are used in some other writing systems): Ɑ ɑ : Latin letter alpha / script A, which represents an open back unrounded vowel in the IPA ᶐ : Latin small letter alpha with retroflex hook Ɐ ɐ : Turned A, which represents a near-open central vowel in the IPA Λ ʌ : Turned V (also called a wedge, a caret, or a hat), which represents an open-mid back unrounded vowel in the IPA Ɒ ɒ : Turned alpha / script A, which represents an open back rounded vowel in the IPA ᶛ : Modifier letter small turned alpha ᴀ : Small capital A, an obsolete or non-standard symbol in the International Phonetic Alphabet used to represent various sounds (mainly open vowels) A a ᵄ : Modifier letters are used in the Uralic Phonetic Alphabet (UPA) (sometimes encoded with Unicode subscripts and superscripts) a : Subscript small a is used in Indo-European studies ꬱ : Small letter a reversed-schwa is used in the Teuthonista phonetic transcription system Ꞻ ꞻ : Glottal A, used in the transliteration of Ugaritic Derived signs, symbols and abbreviations ª : an ordinal indicator Å : Ångström sign ∀ : a turned capital letter A, used in predicate logic to specify universal quantification ("for all") @ : At sign ₳ : Argentine austral Ⓐ : anarchy symbol Ancestors and siblings in other alphabets 𐤀 : Semitic letter Aleph, from which the following symbols originally derive Α α : Greek letter Alpha, from which the following letters derive А а : Cyrillic letter A : Coptic letter Alpha 𐌀 : Old Italic A, which is the ancestor of modern Latin A : Runic letter ansuz, which probably derives from old Italic A : Gothic letter aza/asks Ա ա : Armenian letter Ayb Code points These are the code points for the forms of the letter in various systems 1 Other representations Use as a number In the hexadecimal (base 16) numbering system, A is a number that corresponds to the number 10 in decimal (base 10) counting.