Zeta (uppercase/lowercase Ζ ζ), is the letter of the Greek alphabet, used to represent the z sound in Ancient and Modern Greek.
In the system of Greek numerals, it has a value of 7. Letters that came from it include the Roman Z and Cyrillic З.
This article uses material from the Wikipedia Simple English article Zeta, which is released under the Creative Commons Attribution-ShareAlike 3.0 license ("CC BY-SA 3.0"); additional terms may apply (view authors). Content is available under CC BY-SA 4.0 unless otherwise noted. Images, videos and audio are available under their respective licenses.
®Wikipedia is a registered trademark of the Wiki Foundation, Inc. Wiki Simple English (DUHOCTRUNGQUOC.VN) is an independent company and has no affiliation with Wiki Foundation.