U+1D709 "𝜉" Mathematical Italic Small Xi Unicode Character

Unicode Version 18.0

𝜉
Source: Noto Sans Math Source: Browser Default

U+1D709 "𝜉" Mathematical Italic Small Xi is a typographical variant of the Greek letter xi, specifically designed for use in mathematical and scientific notation to distinguish it from standard text. It belongs to the Mathematical Alphanumeric Symbols block and is primarily employed as a variable or symbol in fields such as mathematics, physics, and engineering, often representing angles, coordinates, or statistical coefficients. This italic form aligns with the convention of using slanted letters for variables, ensuring clarity and consistency in technical documents.

Encodings

HTML Decimal Encoding
𝜉
HTML Hex Encoding
𝜉
UTF-8 Encoding
0xF0 0x9D 0x9C 0x89
UTF-16 Encoding
0xD835 0xDF09
UTF-32 Encoding
0x0001D709
C/C++/Java Escape
\ud835\udf09