Several Greek letters are used as phonetic symbols in the International Phonetic Alphabet (IPA). Greek symbols are used as symbols in mathematics, physics and other sciences. In the 9th and 10th centuries, uncial book hands were replaced with a new, more compact writing style, with letter forms partly adapted from the earlier cursive. Such handwriting has been preserved especially from papyrus manuscripts in Egypt since the Hellenistic period. Besides the upright, straight inscriptional forms (capitals) found in stone carvings or incised pottery, more fluent writing styles adapted for handwriting on soft materials were also developed during antiquity. This distinction is an innovation of the modern era, drawing on different lines of development of the letter shapes in earlier handwriting.
It was derived from the earlier Phoenician alphabet, and is the earliest known alphabetic script to systematically write vowels as well as consonants. Grammy award-winning artist Michael Bolton @mbsings and multi-platinum selling Greek singer Antonis Remos @antonisremos will perform together at the iconic Odeon of Herodes Atticus in September. To write polytonic Greek, one may use combining diacritical marks or the precomposed characters in the "Greek Extended" block (U+1F00 to U+1FFF).
To mark a letter as a numeral sign, a small stroke called keraia is added to the right of it. This system has remained in use in Greek up to the present day, although today it is only employed for limited purposes such as enumerating chapters in a book, similar to the way Roman numerals are used in English. In the classical Ionian system, the first nine letters of the alphabet stood for the numbers from 1 to 9, the next nine letters stood for the multiples of 10, from 10 to 90, and the next nine letters stood for the multiples of 100, from 100 to 900. Several of them denote fricative consonants; the rest stand for variants of vowel sounds.
In both Ancient and Modern Greek, the letters of the Greek alphabet have fairly stable and consistent symbol-to-sound mappings, making pronunciation of words largely predictable. Additionally, Modern and Ancient Greek now use different diacritics, with ancient Greek using the polytonic orthography and modern Greek keeping only the stress accent (acute) and the diaeresis. The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC.
- For a number of letters, sound values differ considerably between Ancient and Modern Greek, because their pronunciation has followed a set of systematic phonological shifts that affected the language in its post-classical stages.
- Several Greek letters are used as phonetic symbols in the International Phonetic Alphabet (IPA).
- Individual letter shapes were mirrored depending on the writing direction of the current line.
- In the classical Ionian system, the first nine letters of the alphabet stood for the numbers from 1 to 9, the next nine letters stood for the multiples of 10, from 10 to 90, and the next nine letters stood for the multiples of 100, from 100 to 900.
- The use of both vowels and consonants makes Greek the first alphabet in the narrow sense, as distinguished from the abjads used in Semitic languages, which have letters only for consonants.
Archaic variants
For the range A0–FF (hex), it follows the Unicode range 370–3CF (see below) except that some symbols, like ©, ½, § etc. are used where Unicode has unused locations. Some letters can occur in variant shapes, mostly inherited from medieval minuscule handwriting. Each of these is still a "chapter Letter", albeit a double-digit letter just as 10 through 99 are double-digit numbers. Different chapters within the same fraternity are almost always (with a handful of exceptions) designated using Greek letters as serial numbers. The ο κωστασ name of this fraternal organization is an acronym for the ancient Greek phrase Φιλοσοφία Βίου Κυβερνήτης (Philosophia Biou Kybernētēs), which means "Love of wisdom, the guide of life" and serves as the organization's motto. In North America, many college fraternities and sororities are named with combinations of Greek letters, and are hence also known as "Greek letter organizations".
Use for other languages
For a time, a writing style with alternating right-to-left and left-to-right lines (called boustrophedon, literally 'ox-turning', after the manner of an ox ploughing a field) was common, until in the classical period the left-to-right writing direction became the norm. Apart from the daughter alphabets listed above, which were adapted from Greek but developed into separate writing systems, the Greek alphabet has also been adopted at various times and in various places to write other languages. The letter ⟨ε⟩ was called e psilon ("plain e") to distinguish it from the identically pronounced digraph ⟨αι⟩, while, similarly, ⟨υ⟩, which at this time was pronounced y, was called y psilon ("plain y") to distinguish it from the identically pronounced digraph ⟨οι⟩. Thus, the letters ⟨ο⟩ and ⟨ω⟩, pronounced identically by this time, were called o mikron ("small o") and o mega ("big o"). Among the vowel letters, Modern Greek sound values reflect the radical simplification of the vowel system of post-classical Greek, merging multiple formerly distinct vowel phonemes into a much smaller number. For a number of letters, sound values differ considerably between Ancient and Modern Greek, because their pronunciation has followed a set of systematic phonological shifts that affected the language in its post-classical stages.
Individual letter shapes were mirrored depending on the writing direction of the current line. The use of both vowels and consonants makes Greek the first alphabet in the narrow sense, as distinguished from the abjads used in Semitic languages, which have letters only for consonants. The period between the use of the two writing systems, Linear B and the Greek alphabet, during which no Greek texts are attested, is known as the Greek Dark Ages. This writing system, unrelated to the Greek alphabet, last appeared in the 13th century BC.
Letter shapes
The acute accent in aulós avˈlos ('flute') distinguishes the word from its homograph áulos ˈailos ('immaterial'). In other countries, students of Ancient Greek may use a variety of conventional approximations of the historical sound system in pronouncing Ancient Greek. As a consequence, the spellings of words in Modern Greek are often not predictable from the pronunciation alone, while the reverse mapping, from spelling to pronunciation, is usually regular and predictable. This leads to several groups of vowel letters denoting identical sounds today. Among consonant letters, all letters that denoted voiced plosive consonants (/b, d, g/) and aspirated plosives (/pʰ, tʰ, kʰ/) in Ancient Greek stand for corresponding fricative sounds in Modern Greek.