Fita (Ѳ ѳ; italics: Ѳ ѳ) is a letter of the Early Cyrillic alphabet. The shape and the name of the letter are derived from the Greek letter theta (Θ θ). In the ISO 9 system, Ѳ is romanized using F grave accent (F̀ f̀).[1]
In the Cyrillic numeral system, Fita has a numerical value of 9.