Omicron

15th letter of the Greek alphabet

Omicron (uppercase/lowercase Ο ο) is a letter of the Greek alphabet. It is used to represent the "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.

Omicron uc lc.svg
Greek alphabet
Αα Alpha Νν Nu
Ββ Beta Ξξ Xi
Γγ Gamma Οο Omicron
Δδ Delta Ππ Pi
Εε Epsilon Ρρ Rho
Ζζ Zeta Σσ 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 Ϟϟ Koppa
Ϛϛ Stigma Ϡϡ Sampi
Ͱͱ Heta Ϸϸ Sho
Ϻϻ San
CategoryCommons

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]

Related pages

References

  1. "Greek/Hebrew/Latin-based Symbols in Mathematics". Math Vault. 2020-03-20. Retrieved 2020-10-06.
  2. "Omicron Symbol in Greek Alphabet". www.greeksymbols.net. Retrieved 2020-10-06.