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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 .
1000 or one thousand is the natural number following 999 and preceding 1001. In most English-speaking countries, it can be written with or without a comma or sometimes a period separating the thousands digit: 1,000. A group of one thousand units is sometimes known, from Ancient Greek, as a chiliad. [1]
The Attic numerals are a symbolic number notation used by the ancient Greeks. They were also known as Herodianic numerals because they were first described in a 2nd-century manuscript by Herodian; or as acrophonic numerals (from acrophony) because the basic symbols derive from the first letters of the (ancient) Greek words that the symbols ...
A binary clock might use LEDs to express binary values. In this clock, each column of LEDs shows a binary-coded decimal numeral of the traditional sexagesimal time.. The common names are derived somewhat arbitrarily from a mix of Latin and Greek, in some cases including roots from both languages within a single name. [27]
Greek numerals in a c. 1100 Byzantine manuscript of Hero of Alexandria's Metrika. The first line contains the number " ͵θϡϟϛ δ´ ϛ´ ", i.e. " 9996 + 1 ⁄ 4 + 1 ⁄ 6 ". It features unit fractions and each of the special numeral symbols sampi (ϡ), koppa (ϟ), and stigma (ϛ) in their minuscule forms.
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The Aegean numerals of the Minoan and Mycenaean civilizations included a symbol composed of a circle with four dashes 𐄫 to denote tens of thousands. [2] In classical Greek numerals, myriad was written as a capital mu: Μ. To distinguish this numeral from letters, it was sometimes given an overbar: M. Multiples were written above this sign.
When used as numbers, the letters are used in combination with the upper keraia numeral sign ʹ to denote numbers from 1 to 900 and in combination with the lower keraia ͵ to denote multiples of 1000. (For a full table of the signs and their values, see Greek numerals.)