Mathematical Bold Italic Small Tau Symbol
π is the mathematical bold italic small tau character, used to represent tau in styled math text.
U+1D749
π (MATHEMATICAL BOLD ITALIC SMALL TAU) is a Unicode math symbol. Use it when you need tau with a bold italic typographic style, such as in equations, notes, or design mockups.
Mathematical Bold Italic Small Tau Symbol Meaning
π is a styled variant of the Greek letter tau (Ο), specifically βMATHEMATICAL BOLD ITALIC SMALL TAU.β Itβs primarily used in mathematical and technical contexts where typographic emphasis mattersβlike distinguishing different variables, naming parameters, or matching the visual style of a formula set. Because it is a dedicated Unicode character, it can be copied directly into text, or inserted using its HTML entity (𝝉), CSS escape ( or class escapes such as \\1D749), and JavaScript Unicode escape (\\u{1D749}). When font support is available, it renders as a bold italic tau glyph suited for math typography.
Common uses
- β’Writing equations where tau must match a bold italic math style
- β’Labeling variables or parameters in math notes and technical documentation
- β’Designing math-themed graphics and typography in web mockups
- β’Typing in tools that support Unicode math characters (e.g., editors and CMS)
- β’Creating consistent visual symbols for educational or presentation materials
Examples
π Mathematical Bold Italic Small Tau
- πLet π be the parameter used in the model.
- πThe value of π changes with each iteration.
- πCompute f(π) from the given constraints.
- πIn the formula, π denotes the small-tau variable.
- πGraph the relationship between π and time.
Variations
Ready to copy
Technical codes
| Unicode | U+1D749 | |
| HTML Entity | 𝝉 | |
| HTML Code | 𝝉 | |
| CSS | \1D749 |
FAQ
What does the Mathematical Bold Italic Small Tau symbol mean?
π is a styled variant of the Greek letter tau (Ο), specifically βMATHEMATICAL BOLD ITALIC SMALL TAU.β Itβs primarily used in mathematical and technical contexts where typographic emphasis mattersβlike distinguishing different variables, naming parameters, or matching the visual style of a formula set. Because it is a dedicated Unicode character, it can be copied directly into text, or inserted using its HTML entity (𝝉), CSS escape ( or class escapes such as \\1D749), and JavaScript Unicode escape (\\u{1D749}). When font support is available, it renders as a bold italic tau glyph suited for math typography.
How do I copy the π symbol?
Select and copy the character π from this page, then paste it into your editor, document, or design tool.
What is the HTML entity for π?
The HTML entity is 𝝉.
How can I insert π using JavaScript?
Use the Unicode escape: \\u{1D749}.
Will π always display correctly on my device?
It should if the font supports this Unicode math character. If it doesnβt, you may see a fallback glyph; try a math-capable font.