Ο

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Unicode name

GREEK CAPITAL LETTER OMICRON

Codepoint

Ξ ←

Greek and Coptic

→ Π

See also Appendix:Variations of "o"

[edit] Translingual

Ο

originally used as a symbol for Big O notation, representing the asymptotic rate of growth of a function in mathematics

Ο (uppercase, lowercase ο)

The upper case letter omicron (όμικρον), the 15th letter of the modern Greek alphabet.

Greek script: Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Οο Π π ϖ Ρ ρ Σ σ ς Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω

Ο'

,Ο