Topic summary
Ι

Extracted from the Wikipedia article Iota.
Iota (English: or ;, Greek: ιώτα) /ˈjota/), uppercase Ι, lowercase ι, is the ninth letter of the Greek alphabet. It was derived from the Phoenician letter Yodh. Letters that arose from this letter include the LatinI and J, the CyrillicІ (І, і), Yi (Ї, ї), and Je (Ј, ј), and iotated letters (e.g. Yu (Ю, ю)). In the system of Greek numerals, iota has a value of 10.