Unicode Character "Ϊ" (U+03AA)

The character Ϊ (Greek Capital Letter Iota With Dialytika) is represented by the Unicode codepoint U+03AA. It is encoded in the Greek and Coptic block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as Ϊ.

Main Unicode Properties

Name Greek Capital Letter Iota With Dialytika
Unicode Codepoint U+03AA
Unicode Version 1.1 (June, 1993)
Block Greek and Coptic
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Left To Right (L)
Is mirrored? No

Character Case

Case Uppercase
Lowercase character ϊ (U+03CA)

Other Unicode Data

Category Uppercase Letter
Script Greek
Combining Class Not Reordered
Decomposition mapping

U+03AA Conversion

HTML (decimal) Ϊ
HTML (hex) Ϊ
HTML (named) -
URL Escape Code %CE%AA
CSS \0003AA
JavaScript, JSON \u03AA
C, C++, Java \u03AA
Python \u03AA
Rust \u{03AA}
Ruby \u03AA

How to type "Ϊ"

  • Windows ?: Hold Alt, then type 0 3 A A. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 0 3 A A. Release Alt.


  • Ϊ
    Times, Times New Roman, serif
  • Ϊ
    Helvetica, Arial, sans-serif
  • Ϊ
    Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xCE 0xAA
UTF-16 (hex) 0x03AA
UTF-32 (hex) 0x000003AA