Zeta

• Zeta (letter), a letter of the Greek alphabet.
• *Hence, Riemann zeta function
• Zeta (river), a river in Montenegro.
• Zeta (state), the medieval name of Montenegro.
• YellowTAB Zeta, an Operating System.
• Zeta (wine variety), a Furmint-Bouvier cross found in the Tokaj region.
• Lightburn Zeta, a brand of car produced briefly for the Australian market in the 1960s
• ZETA was plasma physics experiment in the UK- see Z-pinch.
• Catherine Zeta-Jones, wales actress.