The earliest alphabet-related system of numerals used with the Greek letters was a set of the acrophonic Attic numerals, operating much like Roman numerals (which derived from this scheme), with the following formula: Ι = 1, Π = 5, Δ = 10, ΠΔ = 50, Η = 100, ΠΗ = 500, Χ = 1000, ΠΧ = 5000, Μ = 10000 and ΠΜ = 50000. In modern Greece, they are still in use for ordinal numbers, and in much of the same way that Roman numerals are in the West for ordinary ( cardinal) numbers, Arabic numerals are used.Īt first, before it was used more, the Greek alphabet, Linear A and Linear B had used a different system with symbols for 1, 10, 100, 100 operating with the following formula: | = 1, – = 10, ◦ = 100, ¤ = 1000, ☼ = 10000. They are also known by the names Milesian numerals, Alexandrian numerals, or alphabetic numerals. Greek numerals are a system of representing numbers using letters of the Greek alphabet.
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