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| | Greek numerals - TheBestLinks.com - Ionic numeral system, Astronomer, Arabic numerals, Chinese numerals, ... (Site not responding. Last check: 2007-10-29) |
 | | In modern Greece, they are still in use for ordinal numbers, and in much the same situations as Roman numerals are in the west; for ordinary numbers, arabic numerals are used. |
 | | This requires 27 letters, so the 24-letter Greek alphabet was extended by using three obsolete letters: digamma (ϝ;, also used are ς or στ) for 6, qoppa (ϟ;) for 90, and sampi (ϡ;) for 900. |
 | | However, these positions were usually limited to the fractional part of a number (called minutes, seconds, thirds, fourths, etc.), but were not used for their integral part. |
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