U+1D70F "𝜏" Mathematical Italic Small Tau Unicode Character

Unicode Version 18.0

𝜏
Source: Noto Sans Math Source: Browser Default

U+1D70F "𝜏" Mathematical Italic Small Tau is a specialized typographic symbol representing the Greek letter tau in a slanted, italicized form, designed for use in mathematical and scientific notation. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to ensure that italic Greek letters are distinct from ordinary text characters, preventing formatting conflicts. This character is commonly employed to denote physical constants like the elementary particle's lifetime, shear stress in engineering, torque in physics, and various parameters in statistics and number theory. Its inclusion in Unicode allows for precise rendering in digital documents, ensuring that mathematical expressions display correctly across different platforms and fonts.

Encodings

HTML Decimal Encoding
𝜏
HTML Hex Encoding
𝜏
UTF-8 Encoding
0xF0 0x9D 0x9C 0x8F
UTF-16 Encoding
0xD835 0xDF0F
UTF-32 Encoding
0x0001D70F
C/C++/Java Escape
\ud835\udf0f