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  2. Greek numerals - Wikipedia

    en.wikipedia.org/wiki/Greek_numerals

    Greek numerals, also known as Ionic, Ionian, Milesian, or Alexandrian numerals, is a system of writing numbers using the letters of the Greek alphabet. In modern Greece, they are still used for ordinal numbers and in contexts similar to those in which Roman numerals are still used in the Western world. For ordinary cardinal numbers, however ...

  3. Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/Greek_alphabet

    The Greek alphabet is the ancestor of the Latin and Cyrillic scripts. [6] ... the first nine letters of the alphabet stood for the numbers from 1 to 9, the next nine ...

  4. Greek letters used in mathematics, science, and engineering

    en.wikipedia.org/wiki/Greek_letters_used_in...

    The Bayer designation naming scheme for stars typically uses the first Greek letter, α, for the brightest star in each constellation, and runs through the alphabet before switching to Latin letters. In mathematical finance, the Greeks are the variables denoted by Greek letters used to describe the risk of certain investments.

  5. List of Greek letters - Wikipedia

    en.wikipedia.org/wiki/List_of_Greek_letters

    Eta with acute and smooth breathing. Archaic letter denoting the absence of /h/ prior to the vowel, with a high pitch on a short vowel or rising pitch on a long vowel. Ἢἢ. Eta with grave and smooth breathing. Archaic letter denoting the absence of /h/ prior to the vowel, with a normal or low pitch. Ἦἦ.

  6. Alphabetic numeral system - Wikipedia

    en.wikipedia.org/wiki/Alphabetic_numeral_system

    An alphabetic numeral system employs the letters of a script in the specific order of the alphabet in order to express numerals. In Greek, letters are assigned to respective numbers in the following sets: 1 through 9, 10 through 90, 100 through 900, and so on. Decimal places are represented by a single symbol.

  7. History of the Greek alphabet - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Greek_alphabet

    The history of the Greek alphabet starts with the adoption of Phoenician letter forms in the 9th–8th centuries BC during early Archaic Greece and continues to the present day. The Greek alphabet was developed during the Iron Age, centuries after the loss of Linear B, the syllabic script that was used for writing Mycenaean Greek until the Late ...

  8. Alpha - Wikipedia

    en.wikipedia.org/wiki/Alpha

    Alpha / ˈælfə / [1] (uppercase Α, lowercase α) [a] is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter aleph , which is the West Semitic word for "ox". [2] Letters that arose from alpha include the Latin letter A and the Cyrillic letter А.

  9. Isopsephy - Wikipedia

    en.wikipedia.org/wiki/Isopsephy

    Isopsephy (/ ˈaɪsəpˌsɛfi /; Greek: ἴσος, romanized: ísos meaning "equal" and Greek: ψῆφος, romanized: psêphos, lit. 'pebble' meaning "count") or isopsephism is the practice of adding up the number values of the letters in a word to form a single number. [1] The total number is then used as a metaphorical bridge to other words ...