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ISO basic Latin alphabet
AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz
v t e

A (/ˈeɪ/; named a, plural aes) is the first letter and a vowel in the basic modern Latin alphabet. It is similar to the Ancient Greek letter Alpha, from which it derives.

Origins

"A" can be traced to a pictogram of an ox head in Egyptian hieroglyph or the Proto-Sinaitic alphabet.

Egyptian	Proto-Semitic ox's head	Phoenician aleph	Greek Alpha	Etruscan A	Roman/Cyrillic A

In 1600 B.C. the Phoenician alphabet's letter had a linear form that served as the base for some later forms. Its name must have corresponded closely to the Hebrew or Arabic aleph.

Blackletter A	Uncial A	Another Blackletter A
Modern Roman A	Modern Italic A	Modern Script A

When the Ancient Greeks adopted the alphabet, they had no use for the glottal stop that the letter had denoted in Phoenician and other Semitic languages, so they used the sign to represent the vowel /a/, and kept its name with a minor change (alpha). In the earliest Greek inscriptions after the Greek Dark Ages, dating to the 8th century BC, the letter rests upon its side, but in the Greek alphabet of later times it generally resembles the modern capital letter, although many local varieties can be distinguished by the shortening of one leg, or by the angle at which the cross line is set.

The Etruscans brought the Greek alphabet to their civilization in the Italian Peninsula and left the letter unchanged. The Romans later adopted the Etruscan alphabet to write the Latin language, and the resulting letter was preserved in the modern Latin alphabet used to write many languages, including English.

The letter has two minuscule (lower-case) forms. The form used in most current handwriting consists of a circle and vertical stoke ("ɑ"), called Latin alpha or "script a". Most printed material uses a form consisting of a small loop with an arc over it ("a"). Both derive from the majuscule (capital) form. In Greek handwriting, it was common to join the left leg and horizontal stroke into a single loop, as demonstrated by the Uncial version shown. Many fonts then made the right leg vertical. In some of these, the serif that began the right leg stroke developed into an arc, resulting in the printed form, while in others it was dropped, resulting in the modern handwritten form.

Usage

used as first letter

Codes for computing

In Unicode, the capital "A" is codepoint U+0041 and the lower case "a" is U+0061.

The ASCII code for capital "A" is 65 and for lower case "a" is 97; or in binary 01000001 and 01100001, respectively.

The EBCDIC code for capital "A" is 193 and for lowercase "a" is 129; or in binary 11000001 and 10000001, respectively.

The numeric character references in HTML and XML are "A" and "a" for upper and lower case, respectively.

See also

• ª
• Æ
• Alpha
• Cyrillic A

References

1. "A" Oxford English Dictionary, 2nd edition (1989). Aes is the plural of the name of the letter. The plural of the letter itself is As, A's, as, a's.
2. "A". The World Book Encyclopedia. Vol. 1. Field Enterprises, Inc. 1956. p. 1.
3. "Javascript Unicode Chart". Retrieved 2009-03-08.

External links

• History of the Alphabet
• Texts on Wikisource:
  • “A” in A Dictionary of the English Language by Samuel Johnson
  • Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press. {{cite encyclopedia}}: Missing or empty |title= (help)
  • Beach, Chandler B., ed. (1914). The New Student's Reference Work. Chicago: F. E. Compton and Co. {{cite encyclopedia}}: Missing or empty |title= (help)
  • Reynolds, Francis J., ed. (1921). "A". Collier's New Encyclopedia. New York: P. F. Collier & Son Company.

• Ill-formatted IPAc-en transclusions
• Misplaced Pages articles incorporating citation to the NSRW with no title or wstitle parameter
• Latin letters
• Vowel letters
• Requests for audio pronunciation (English)