In English, the name of the letter is the long A sound, pronounced /ˈeɪ/. Its name in most other languages matches the letter's pronunciation in open syllables. See more

The earliest known ancestor of "A" is aleph—the first letter of the Phoenician alphabet, also written 'aleph —where it represented a glottal stop [ʔ], as Phoenician only used consonantal letters. In turn, the ancestor of aleph may … See more

In modern English orthography, the letter ⟨a⟩ represents at least seven different vowel sounds, here represented using the vowels of Received Pronunciation, with effects of ⟨r⟩ ignored and mergers in General American mentioned … See more

• When using base-16 notation, ⟨A⟩ is conventionally used as the numeral corresponding to the number 10 in decimal.
• In algebra, the letter a along with various other letters of the alphabet is often used to denote a … See more

• ⟨Æ æ⟩: a ligature of ⟨AE⟩ originally used in Latin
• ⟨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 … See more