Greek Letter Iota (Γιώτα - Ι)
Lower-case "ι", is a simple mark for a simple sound. In English "short i" is hard for many non-English-speakers to learn to say. The letter is the smallest in Greek, was cited in the New Testament ("not a jot..."), and actually became the word "jot".
"I" Letter in mathematics and in science
- The index generator function in APL
Greek words with "Ι"