Omicron
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Omicron (uppercase/lowercase Ο ο), otherwise referred to as o for short, is a letter of the Greek alphabet. It is used to represent the short "o" sound in Ancient and Modern Greek. In the system of Greek numerals, it has a value of 70. Letters that came from it include the Roman O and Cyrillic О.
| 160px | |||
| Greek alphabet | |||
|---|---|---|---|
| Αα | Alpha | Νν | Nu |
| Ββ | Beta | Ξξ | Xi |
| Γγ | Gamma | Οο | Omicron |
| Δδ | Delta | Ππ | Pi |
| Εε | Epsilon | Ρρ | Rho |
| Ζζ | Zeta | Σσς | Sigma |
| Ηη | Eta | Ττ | Tau |
| Θθ | Theta | Υυ | Upsilon |
| Ιι | Iota | Φφ | Phi |
| Κκ | Kappa | Χχ | Chi |
| Λλ | Lambda | Ψψ | Psi |
| Μμ | Mu | Ωω | Omega |
| Other letters | |||
| Ϝϝ | Digamma | Ⱶⱶ | Heta |
| Ϻϻ | San | Ϙϙ | Koppa |
| Ϡϡ | Sampi | Ϛϛ | Stigma |
| Ϸϸ | Sho | ||
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| |||
In mathematics and computer science, the uppercase Ο is used in big-O notation, while the lowercase ο is used in little-o notation (a variant of big-O notation).[1][2]
Omicron Media
Phoenician letter ʿayin, the 16th letter of the Phoenician alphabet: 𐤏 (U+1090F) (basic style).
Detail from a fifth-century BCE inscription of Draco's law on homicide, showing the use of O rather than Ω in the phrase "ΠΡΟΤΟΣ ΑΧΣΟΝ" (πρώτος ἄξων, "first axon")
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Related pages
References
- ↑ "Greek/Hebrew/Latin-based Symbols in Mathematics". Math Vault. 2020-03-20. Retrieved 2020-10-06.
- ↑ "Omicron Symbol in Greek Alphabet". www.greeksymbols.net. Retrieved 2020-10-06.
